Chinese and South Korean martial arts have their own development process and characteristics, through a comparative study of the definition of the concept of martial arts can enrich the theoretical system of martial arts, martial arts in different cultural backgrounds of the connotation and value. This will help to provide more theoretical support for the inheritance and development of Martial Arts. Through the comparative study of Chinese and Korean martial arts concepts, we can find out the similarities and differences between the two countries, and provide reference for the international standardization of martial arts. At the same time, it also helps to promote the popularity of martial arts on a global scale, so that more people understand and love this traditional sport. Research Methods: Based on CNKI, Weipu, Wanfang and other international paper platforms related to the definition of martial arts, analysis from the formation of the background cut, summed up the concept formation background, development status of the similarities and differences between China and South Korea. The results are as follows: (1) There are some differences between China and South Korea in the content and development of Martial Arts concept. In the origin of Martial Arts concept, Korean Martial Arts concept is closely related to the spread of Martial Arts in ancient China. (2) There are differences in the concept of Chinese and Korean martial arts, which affect the development status of the two countries. The development of Chinese martial arts tends to show martial arts routines and the meaning of attack and defense, while the development of Korean martial arts tends to take kicking as the leading direction of Taekwondo; (3) China and South Korea have certain deviations in the definition of martial arts concept, but this deviation does not affect the exchanges and cooperation between the two countries in the field of martial arts. Through strengthening exchanges and cooperation, the common development of the two countries in the field of martial arts can be further promoted.