As long as it is qigong, it can prolong life (except hard qigong). You can practice Tai Chi, which is suitable for people with poor physique, or Yi Jin Jing, which is quick but not suitable for people with poor physique, or it is relatively simple to practice the six-character formula and Ba Duan Jin, and Bai Sui Tang San, which is the simplest and quickest working method, especially suitable for the elderly. You can search Xinjiang Internet TV Station 20 12 to 2065438. In short, see if your constitution is suitable.