"Tai Chi" is a 2-class course, which is taught with reference to the content of the 11th Five-Year Plan textbook of national higher education. Both classes are live online, with teachers explaining, demonstrating and Tai Chi's action experience. The teaching purpose of the two courses is to let students know about the origin and development of Tai Chi, master Tai Chi's basic theory and knowledge, inherit the essence of Chinese Taiji culture, make Tai Chi's rich cultural heritage and unique boxing style, provide students with subtle cultural influence, and shape students' modest moral sentiment, tenacious personality strength and ethereal spiritual realm. The main contents of this course include three parts: one is fitness, the other is self-defense and the third is health preservation.