[Machine Translation] Among the many Chinese martial arts, tai chi, hsing-i, and bagua are collectively called neijia chuan. Chen's taijiquan was introduced in Chenjiagou, Henan Province, China from ancient times and became the origin of taijiquan. Cheng Shenglong introduces these two styles of tai chi chuan in this book. The book has a strong martial arts feel, and allows students to acquire practical skills.