Enhancement of immune function can prevent infections, tumor recurrence and so on. Specific means are as follows: 1, strengthen the exercise diet: exercise at least 3 times a week, each time more than 30 minutes, combined with aerobic and anaerobic exercise: mountain climbing, jogging, swimming, etc.. Diet should be nutritionally balanced, the use of vitamins, proteins, and trace elements of food, can improve immunity. 2, Western drug therapy: clinically commonly used immune agents, such as thymus peptide, transfer factor, gammaglobulin, etc. 3, moxibustion: clinically, more choose the upper, middle, and lower triple jiao for moxibustion, which can significantly improve the immune function. Such as the upper focal point to choose the body column, and the thymus position corresponds to the middle focal point to choose the middle epigastric, can improve the function of the spleen and stomach; lower focal point to choose the Guanyuan point, can raise the small intestine nutrition. Acupuncture and moxibustion for half an hour every day has the effect of warming the meridians and collaterals, supporting yang and fixing off, preventing diseases and health care. The body’s immune function is improved. In addition, Chinese patent medicines: Bailing capsule, Jinshuibao capsule, Yupingfengsan, etc. also have the effect of enhancing immune function.