Zhang Jiahua's achievements.

In the past decades, nearly10,000 photos of various subjects have been taken and interviewed in the United States, Germany, Canada, the former Soviet Union, the Czech Republic, Japan, Poland, Chile, Venezuela, Indonesia, Mongolia and other countries. Mao Zedong on Tiananmen Gate was printed as a stamp. In 1950s, he began to teach photography courses for Peking University, Nankai University, School of International Politics and China School of Journalism. 1958- 1960, famous photographers Zheng Jingkang and Zhang Yinquan went to Guangdong, Yunnan and other provinces 10 to hold news photography training classes, which trained more than 1000 local photographers. In the 1960s and 1970s, photography classes were held for Albania, Cambodia and African countries.