The symptoms of spleen deficiency and dampness mainly include a large amount of discharge, white or yellowish, thick and tasteless, continuous, yellowish face, warm limbs, tiredness and fatigue, swollen feet, pale tongue, white or greasy moss, and a slow and weak pulse. The spleen has the function of transporting and transforming water and dampness, when the spleen is weak, the most common symptom is the metabolic disorder of dampness, which means that dampness is not metabolized and stagnates in the body, forming dampness and causing disease. Clinically, the so-called dampness is what we often call water dampness (points), which has the distinction between external and internal dampness. (1) external dampness is due to the humid climate or wading in the rain or living room damp, so that the external water dampness invasion of the body and caused; internal dampness is a pathological product, often related to digestive function. Chinese medicine believes that the spleen has the function of transporting water and moisture, if the body is weak and indigestion or overeating, eating too much greasy, sweet food, the spleen can not be properly transported and make the water and moisture within the stop; (2) and the spleen is weak, it is easy to invade the invasion of external dampness, external dampness is also often due to the obstruction of the spleen and stomach so that wet from the inside, so the two are both independent and related.