The third son of Yang Jianhou, Yang Chengfu standardize the solo form developed by his grandfather known as "Lao Jia" or 108 movements into the "Da Jia" (Big Frame) style of Tai Chi Chaun. This style, which emphasizes natural postures, slow and even movements is generally known as Yang Style Tai Chi Chuan and is the most popular form of Tai Chi Chuan taught today.

Yeung Ching Po had four sons: Yeung Sau Chung, the oldest son, also known as Yang Zhenming by his brothers and relatives (1910-1985), a teacher of Tai Chi Chuan in Hong Kong until his death in 1985; Yeung Chung Kee, the second son, retired chairman of the Handan Wushu Association. Live with his wife in the City of Handan, Herbei Province, China. Yeung Chung Tood, the third son, many people known him today as Yang Zhendou who teaches Tai Chi Chuan in Tai Yuan City, Shanzi Province, china. Yeung Chung Kwok, the fourth son, Live with his wife in the City of Handan, Herbei Province, China.

Teachings by Yeung Ching Po:
Yeung Ching Po on Tai Chi Chuan Practice
Yeung Ching Po's Ten Points