Since birth, people continue to take in water and grain food, using its gas to nourish themselves. The smooth and swift qi in water and grain, which travels outside the veins, is called Wei Qi, which has the function of warming the flesh, filling the skin, fattening the couples and opening and closing the body. At the same time, the lung is the master of the whole body’s qi, governing the opening and closing of the skin and hair, so as to protect the body from the invasion of external evil. Therefore, using the theory of Chinese medicine as a guide, to improve the immunity of the so-called Western medicine, mainly from the management of diet and living and strengthen the lung qi two aspects. Adopting good habits will benefit people for several lifetimes. Specifically, daily life should always pay attention to the following guidelines: 1, eat less cold, raw, cold and sticky food. Eat carefully and slowly; 2, each meal should not be too full, should not eat stored too long food. In the thick tongue moss when appropriate to take hawthorn pill and other drugs in addition to food accumulation; 3, immediately after eating should not sleep, labor, excitement, entertainment. Should walk moderately for a few moments; 4, a certain food even if you like it again should not eat for a long time and eat too much; 5, moderate work, the combination of static and dynamic, feel a little tired to rest, too static on the activities; 6, speak in a low voice, emotional calm, encounter good things not particularly happy and excited, encounter bad things are not particularly angry and sad, even if the hard to accept things are not always thinking; 7, urination and defecation should not be forced to hold back also It is not appropriate to make the effort, let nature take its course. Strong endurance injury to the lower jiao, make force to make the gas rebellion; 8, eat not talk, sleep not open mouth, sweating not wind, hot not bath, poor mood not to sleep; 9, dry and strong stimulating food such as chili white wine, the most damage to the lung gas, it is appropriate to eat less or not.