Zhang Songxi was born in Yinxian (Ningbo, Zhejiang) in the Ming Dynasty. Founder of Wudang Songxi School (Songxi Neijia Boxing). At the age of thirteen, he taught his grandson that he inherited Zhang Sanfeng from the Song Dynasty. During Jiajing period, he was famous for his family boxing in Ningbo. Zhang Songxi in Jin Yong's novel Eternal Dragon Slayer is Zhang Sanfeng's fourth apprentice and the fourth of the seven chivalrous men in Wudang. Zhang Songxi has a set of five-character formula for practicing boxing, namely "diligence, tightness, diameter, respect and cutting". There are only three or four disciples, among whom Ye Jinquan is the most famous. Wu Kunshan, Zhou Yunquan, Shan Sinan, Chen and Sun Jicha. They have all given and received. Kunshan biography Li Tianmu and Xu Daiyue. Tianmu spread Yu Bozhong, Chen Maohong and Wu. Yunquan inherited Lu Shaoqi. Zhen Shi Chuan Xia and Dong Fuyu. Following the Ming biography of Chai Yuan, Yao Shimen, Monk Ear and Monk Tail. The legend of Sinan is Wang Zhengnan. Zhang Songxi Boxing originated from Zhang Sanfeng's family boxing handed down from Liu Song in the Southern and Northern Dynasties, not Tai Ji Chuan.