Through training, Changier subsidizes Chengdu University to set up a major of Sex Education. Changier also organizes experts, scholars, and key teachers in the fields of AIDS prevention, sexual health, mental health, traditional culture and public welfare to go to project bases and workstations to carry out professional training and teaching guidance, established a national training platform and teacher team. In total about 13,000 teachers have been trained.

For thousands of years, sex education has been a taboo in China. With unremitted efforts of Changier and other organizations, it has been on the school syllabus since June 1st, 2021, protected by Child Protection Act. It is a great step forward!