The main causes of heavy dampness-heat include feeling dampness-heat evil, uncontrolled diet and emotional stimulation. The causes of heavy dampness and heat are broadly divided into two categories: exogenous and endogenous. 1. External: mainly due to the external environment, such as living in a humid place for a long time, the evil of dampness and heat can be invaded from the outside, resulting in the spleen and stomach to transport the water and dampness is not enough, so the dampness is heavy. 2. Endogenous: Endogenous factors are mostly due to dietary disorders, emotional stimulation and other injuries to the spleen and stomach, resulting in weakness of the spleen and stomach, so that dampness is generated from within. Dietary cold, spicy stimulation, etc. can make the spleen and stomach dysfunction, the spleen does not transport the internal generation of dampness. Difficulty in mood (emotional discomfort), liver qi stagnation (liver qi and blood transportation is not smooth, emotional depression), etc., so that the operation of qi is not normal, can also make the operation of fluid stagnation, dampness and turbidity born from within. Dampness-heat can be caused by multiple factors, and the specific causes should be related to the individual’s physical condition and living and working environment. Therefore, it is recommended that patients with heavy dampness and heat should go to regular hospitals for treatment under the guidance of professional physicians.