Ai Lian is a public welfare project initiated by Shenzhen Henghui Public Welfare Foundation and several public welfare organizations, and it is an innovative public welfare project of "Comprehensive Prevention and Treatment of Children's Cancer". From August, 2065438 to August, 2007, the "Ai Lian Plan" took childhood leukemia as a pilot disease and launched a public welfare pilot action of "preventing poverty due to illness" in Heyuan City, Guangdong Province.