In 1986, he participated in the first film "Ruiyun of a Lonely Studio"; In 1998, he was nominated as the best actor in the 9th Golden Rooster and Hundred Flowers Film Festival for the role of Tian Han in the film National Anthem.

In p>2, He Zhengjun played anti-No.1 and vice mayor Zhou Mi in the anti-corruption TV series Snow Without Traces, which was the first time that he played the villain.

In September, 25, the military TV series "Bright Sword" starring Li Youbin was broadcast on a set of prime-time CCTV files, and He Zhengjun played "Political Commissar Zhao". The average rating of this drama exceeded 8 points, and the highest rating reached 11.42 points, making it the highest-rated drama of that year.

In p>27, in the TV series "The Years of Beauty", she played a "Wang Zhenguo" who was eager to save a woman and took bribes and eventually became a prisoner; In April, he teamed up with Wang Luoyong and starred in the military TV series "The Last Bullet" again; In the same year, he starred in the TV series Silence and Lies with Sun Chun and played the corrupt official Xing Donghao.

In March, 212, the military emotional drama All corners of the country directed by Lian Yiming was broadcast, in which He Zhengjun played Zheng Dazhi, a military doctor who returned from overseas, and in August, the TV series Legend of Gunmen, the leading actor, was broadcast in prime time on Shandong, Hubei and Sichuan Satellite TV, and He Zhengjun played Wu Yingde, a military expert.

In March, 214, the TV series "Qingguo Lane" starring in it was broadcast in the prime time of CCTV 8.

On April 1th, 215, she served as the image ambassador of China Children and Teenagers' Fund-National Youth Vitiligo Assistance Special Fund.

In May, 215, he was the brand spokesperson of Beijing Guodan Dermatology Hospital.