Dampness in the body is generally caused by a variety of reasons that cause dysfunction of the internal organs, water metabolism disorders and caused. Common causes include dietary factors, emotional factors, environmental factors, old age and frailty. 1. Dietary factors: dietary preferences, and physical health is closely related, when consuming too much high-calorie, high-fat, high-sugar foods, will be nourishing and greasy stomach, affecting the spleen and stomach function of transportation and digestion, and then the metabolism of water and fluid malfunction, the formation of dampness. 2. Emotional factors: because of excessive thinking, injury to the spleen, affecting the normal function of the spleen and stomach, water metabolism disorder, the formation of dampness. 3. Environmental factors: living or working in a damp and cold place for a long time, the cold and dampness of the outside world will attack the human body and form dampness in the body. 4. Old and weak: because of age, the body function has declined, the spleen and stomach of the transport function also decline at the same time, resulting in fluid transmission and distribution of abnormal, form the body of moisture. When the symptoms of heavy dampness appear, it is recommended to go to the hospital in time, do not delay the condition.