Liangyi Boxing is a traditional family-run boxing technique, which originated from Liangyi Boxing in Song Dynasty, and developed to Yin and Yang Fingers in Ming Dynasty and Liangyi Boxing in Qing Dynasty. It is a kind of kungfu that integrates fighting, acupuncture, fitness, health preservation and fitness. Duan is the 14th generation descendant of Boxing, and also a martial arts health preserving family. Since childhood, I have been practicing boxing with my father Duan, and I am proficient in 21-point kungfu and 21-skill health care.