On October 16th, 2021, Li Hongyan, a project officer of UNESCO in China, Dr. Chen Zhongdan, a technical officer of AIDS/viral hepatitis/tuberculosis of the World Health Organization, and Wei Xiangnan, a representative of UNAIDS in China, visited the Beijing Changier Education Foundation. Zhang Yinjun, Director of APEPCY, member of the National School AIDS Prevention Education Expert Group, and President of the Beijing Changier Education Foundation, received and reported the latest progress. The two parties discussed and exchanged experiences on the implementation of the theme of World AIDS Day 2021 of UNAIDS and the theme activity of "12.1". The representatives of the three agencies in China spoke highly of the long-term adherence of APEPCY to prevent the spread of AIDS through sex education among young people and the whole society.