Including theoretical courses: the development and promotion mode of square aerobics dance, the theoretical guidance of national fitness science, the competition rules and scoring methods of 20 18 square aerobics dance. Practice class: 20 18 "National Square Aerobics Promotion Demonstration Routine". The training time is three days. Students who have participated in this training and graduated are eligible to be referees or coaches of the 20 18 National Square Aerobics Dance Games. Training several times a year, don't attend this time, you can attend next time.