Understanding the source of dampness has internal and external causes, can well understand the following prevention and control program. For external dampness to avoid wind and dampness evil, especially after getting older, slowly deficient, the external wind, cold and dampness will be more likely to attack the body, do not fight with the sky, its fun, to adapt to the four seasonal changes to maintain the body. 1, for internal dampness to moderate diet, eat 80% full, especially dinner to eat relatively little, do not give the spleen and stomach too much burden, the daily intake of food to be in bed before the basic 2, the mood should be cheerful and optimistic, do not suffer from loss and gain, because the mood is not smooth, resulting in liver qi is not relaxed, liver qi is not smooth will invade the spleen, because from the five elements, liver wood can restrain the spleen earth, resulting in the weakness of the spleen and stomach. There is also excessive thinking will secretly deplete the qi and blood, leading to low function of the spleen and stomach, so you should often let the nervous relaxation, the so-called way of literature and martial arts, a relaxation. 3, whether it is external or internal moisture, we should try to expel it from the body. The body’s yang will be a key link, so usually appropriate exercise, conducive to the maintenance of yang, yang sufficient to be able to get rid of moisture this yin evil.