Tik Tok and Watermelon Video jointly launched the "Professional Fitness Alliance" special activity. This activity combined with seven professional head fitness institutions and media, including CBBA China Bodybuilding Association, Laimei Les Mills, CrossFit, Loko, Daily Yoga APP, FitTime, and Venue State, to meet the recognized standards of professional coaches in the industry. Through the support and certification of professional coaches, * * * popularized "What is professional fitness" for 500 million users.