Medical Qigong is one of the gems in the treasure-house of China's cultural heritage and is considered as one of the therapeutic methods of TCM both in China and some other countries. As a component part of Traditional Chinese Medicine it comprises of medical keep-fit activity and has a history of several thousand years in China. Qigong as an art of self-training both body, mind and respiration as well as sending external Qi has the functions of preventing and curing diseases, protecting and strengthening health and prolonging life. Medical qigong has been popular and recommended in China and worldwide for decades. Numerous clinical and laboratory studies show its effectiveness on the neuromuscular system, respiratory system, digestive system, cardiovascular system, metabolism and endocrine system as well as immune system etc.