Dampness is one of the six evil spirits in Chinese medicine, and the symptoms may vary depending on the location of the disease. Internal dampness is mainly divided into internal dampness and external dampness, and the formation of internal dampness is mainly related to physical and dietary habits, and is generally seen in people who are relatively spleen-deficient. Due to the poor transport function of the spleen and stomach, resulting in the loss of spleen transport, thus gathering dampness, which is manifested by a thick and greasy tongue, obesity, stuffiness, poor appetite, sticky stools; external dampness is caused by external causes, mainly related to the living environment or climate, and its performance is mainly based on body aches and pains, joint pains.