January and February. The national first-class referee card can be registered with the Table Tennis Association of the Sports Commission every year 1 February, and the third-class and second-class referees can be registered in April and May of the first half of the year. Chinese Wushu generally refers to the combination of traditional cultural ideas and concepts such as social philosophy, traditional Chinese medicine, ethics, military science, aesthetics, qigong, etc. in daily life.