Judo means soft track in Japanese. Judo is a "gentle way". Of course, this is a literal translation. 1573, Jiusheng Takeuchi founded Jiu Jitsu, which was called Takeuchi School in Japanese history, and then many factions appeared. After the death of the Ming Dynasty, Chen Yuan went to Japan with Zhu Shunshui and spread Shaolin Wushu in the Central Plains. Jiu Jitsu developed greatly for the first time. Some people say that Chen Yuan ● really developed Jiu Jitsu after he arrived in Japan, while others say that Chen Yuan ● started karate (originally called Tang Hand, meaning boxing from China, but renamed after the deterioration of modern Sino-Japanese relations). In a word, it is reasonable to say that Japanese Wushu originated in China. 1882, Jana Jgoroh reformed Jiu Jitsu and founded Judo. In the same year, Kodokan opened in Yongchang Temple in Tokyo. Judo grade was established in 1884. 1900 to formulate judo competition rules. After World War II, judo spread to Europe, America and other countries. The first world judo championship was held in 1956. After judo spread to South America, Brazilian Jiu Jitsu came into being.