In December 27, Liu Siyu represented China in the "Impression of Mei Gong" photo contest organized by the Asian Development Bank, and four photos were selected in the "Impression of Mei Gong" photo collection. And sent it to the "Third Greater Mekong Subregion Economic Cooperation Leaders Meeting", which was appreciated by the leaders of China, Cambodia, Laos, Myanmar, Thailand and Viet Nam.

in April, 28, Liu Siyu, as a literary and art worker in Xishuangbanna, accepted the invitation of Xishuangbanna Agriculture Working Committee, Xishuangbanna Federation of Literary and Art Circles and Xishuangbanna Newspaper to carry out the activities of "building a new socialist countryside".

In July p>28, Liu Siyu was awarded the title of "Youth Love Ambassador" by UNICEF and UNAIDS. In July, Liu Siyu, on behalf of Yunnan, went to Shanghai to attend the awarding ceremony and received the "participatory method training" organized by UNICEF.

On March 21st, 21, with the active support and cooperation of Yantai CDC, Liu Siyu, the "Youth Love Ambassador" of UNICEF and UNAIDS, conducted "participatory method training" and "peer education" for more than 3 college students in Yantai universities (shandong institute of business and technology, China Agricultural University, Yantai University and ludong university).

On May 17th, 21, to commemorate the 27th International AIDS Candlelight Day, hundreds of college students organized by shandong institute of business and technology-Siyu Responsible Society held a candlelight party with the theme of "Witness 1981-21".

In July, 21, Liu Siyu attended a special lecture by Wang Bin, Deputy Director of the Environmental Protection Department of the State Oceanic Administration, on the status quo, challenges and development trends of marine biodiversity protection in China.

In July p>21, Liu Siyu attended the "Hello, Comrade" gay anti-discrimination press conference held by the Embassy of the Kingdom of the Netherlands in China. The conference was specially held for the smooth progress of the first season of "Hello, comrades: collecting smiles from 1 heterosexual friends", and some smiling photos were exhibited at the Beijing Gay Center. In the second season, Liu Siyu specially recorded a blessing video for it.

On August 7th, 21, Liu Siyu, on behalf of Liu's outstanding youth, attended the "World Liu Entrepreneurs' Federation Anniversary Meeting" held in Juye County, Shandong Province, and delivered a speech.

In August, 21, I participated in the "21 Young Pioneers Training Program" summer camp organized by the China Representative Office of Marist? p National Organization and Nike Sports (China) Company.

From July 16th to August 17th, 21, Siyu Responsible Society participated in the second "Investigating Shandong" college students' social survey sponsored by Volkswagen Daily, Shandong Provincial Committee of Youth League and Shandong Students' Federation. The survey content was "Living conditions of floating population in Yantai".

On August 27th, 21, Liu Siyu successfully applied for a public welfare fund of 4, yuan in the program "One Million Dreams" broadcast by Qinghai Satellite TV on the evening of August 8th.

in September, 21, Liu Siyu served as the captain of the emergency service team for voluntary platelet donation on campus, and Liu Siyu led the emergency service team for voluntary platelet donation on campus to organize, plan and carry out a large-scale publicity campaign for voluntary blood donation on campus.

In November, 21, Liu Siyu launched the "Warm Winter Plan". Volunteers from Siyu Responsible Society and Yantai Love Home, together with volunteers from Xi 'an "Let Love Warm the World" group and Tencent Daqin. com Community Love Public Welfare Section, launched the "Warm Winter Plan" with the theme of donating used clothes. Nearly 1, pieces and tons of clothes have successfully arrived in the poverty-stricken areas of natural villages in Weinan, Shaanxi.

On November 6-7, 21, Liu Siyu conducted a 2-day training (also known as "Young Activist" training) for students from various universities in Yantai (shandong institute of business and technology, China Agricultural University, Yantai University, ludong university and Binzhou Medical College).

in January, 211, I participated in the "21 Young Pioneers Training Program" winter camp held in Xi 'an by the China Representative Office of Maristep National Organization and Nike Sports (China) Company.

in April, 211, Liu Siyu accepted the invitation of Dalian Communist Youth League Committee, served as a guest speaker in Dalian Inspirational Forum, and gave a public lecture entitled "Walking in the Sky" at Dalian University of Technology, dalian polytechnic university, Dalian Jiaotong University and Dalian Vocational and Technical College.

On April 22nd, 211, Liu Siyu, as an environmental protection ambassador, attended the 211 "Green Action for Protecting the Earth" public welfare ceremony held by the International Green Economy Association in China Agricultural University on April 22nd.

In April p>211, Liu Siyu gave a speech entitled "Me and My Road to Public Welfare" at Binzhou Medical College.

In April 211, Liu Siyu gave a speech entitled "My Dream of Public Welfare" at Yantai University.

On April 24, 211, Liu Siyu gave a speech entitled "Growing up and Being Youth with the World in Mind" at Peking University Centennial Lecture Hall.

On April 25th, 211, Liu Siyu gave a speech on My Public Welfare and Life at Tianjin University of Science and Technology.

On May 5th, 211, Shandong University of Science and Technology hosted My Public Welfare Life-Liu Siyu Public Welfare Report, and Liu Siyu delivered a speech.

On May 8th, 211, Liu Siyu gave a speech entitled "Public Welfare Youth with the World in Mind" at Zhejiang University.

On May 9th, 211, Liu Siyu gave a speech entitled "Awakening of Public Consciousness" at Shanghai Jiaotong University.

On May 1th, 211, Liu Siyu gave a speech entitled "Innovation and Development of Public Welfare" in Shanghai Social Innovation Incubation Park.

On May 15th, 211, Liu Siyu gave a speech entitled "Dream of Life, Dream of University" at Sun Yat-sen University.

From May 17th to 2th, 211, Liu Siyu participated in the "Social Entrepreneur Skills Training" sponsored by the Cultural and Education Section of British Embassy, narada foundation and Youcheng Entrepreneur Foundation for Poverty Alleviation, and successfully graduated.

On May 22nd, 211, Liu Siyu gave a speech entitled "Civil Liberty in the Spirit of Constitutional Law" at Southwest University of Political Science and Law.

On May 23rd, 211, Liu Siyu gave a speech entitled "Fairness and Justice under Public Welfare Culture" at Wuhan University.

On July 22nd, 211, Liu Siyu appeared on the program "Everyday Up" of Hunan Satellite TV as a representative of public welfare students.

From July to September, 211, Liu Siyu organized volunteers from Siyu responsible society to go to poverty-stricken areas in Heze, Shandong Province to carry out the "Left-behind Children's Education Project". After the teaching, the "Left-behind Children's Research Project" was carried out in Heze and Yantai, Shandong Province, forming the "Investigation Report on the Relationship between Left-behind Children and Educational Environment". At the same time, Liu Siyu organized volunteers of Siyu responsible society to participate in the project of "Investigating Shandong" sponsored by Shandong Provincial Committee of Youth League, and conducted practical research with the theme of "Vegetable Farmers' Rights and Interests" in Laiyang, Shouguang and Heze, Shandong Province, forming the "Special Investigation on the Income Security of Vegetable Farmers".

In January, 212, Liu Siyu went deep into Liangshan Yi Autonomous Prefecture, Sichuan Province, visited Yi compatriots deeply affected by leprosy in Qianjin Village, Zeyue Township, Xide County, and visited Qiluogou Township, ningnan county.

in March, 213, Liu Siyu visited the mountainous areas where Lisu people live in Lijiang and the poverty-stricken mountainous areas in Liangshan.

in April, 213, Liu Siyu launched "Siyu Plan" to carry out the Liangshan Education Research Project in 213, forming the largest public welfare team supporting Liangshan in China.