1. The combination of the theory of hiding images and the theory of nourishing physiology. Taking Zhang Jingyue and Zhao Xianke as representatives, this paper emphasizes the leading role of spleen and stomach, kidney and vital signs in life, and combines this with the theory of nourishing life, and holds that the key to health preservation is vital signs, and its essence is to nourish true yang. The doctor also made clear the rules of regulating the five zang-organs and thought that the ultimate goal of health preservation was not to leave the zang-organs.

2. Comprehensive development and comprehensive aftercare. The nursing methods of health preservation have diversified characteristics, such as: different from the past, Zhang Jingyue regards "keeping shape" as the primary task of health preservation, and thinks that those who are good at health preservation must first cure the shape and treasure the essence; Li Shizhen and other doctors strongly advocate drug bait and diet health; The method of combining static and dynamic health care has been further confirmed in theory and method, especially Wushu fitness has been widely promoted.

3. Re-prosperity of health care for the aged. After the establishment of the theory of health care for the elderly in Song Dynasty, many monographs on health care for the elderly appeared.