Heavy dampness is mainly caused by external dampness, unhealthy diet, weak spleen and stomach. External dampness invades the body: If you are in a cold and damp area or environment for a long time, or if you work in water for a long time, or if the rainy season is too long, the dampness will invade your body, and thus you will have heavy dampness. Unhealthy diet: If you eat some ice cream, frozen water, cold water and other cold things for a long time, or the diet is too fat, sweet and thick, overeating, excessive intake of alcohol and tobacco, etc., resulting in the body of the loss of yang, the body of the water regulation system imbalance, resulting in too much water residue in the body, the emergence of heavy moisture. Weakness of the spleen and stomach: If their own physical weakness, resulting in a weak spleen and stomach, transport and chemical dysfunction, the body’s moisture discharge is not smooth, there will also be heavy dampness. If heavy dampness causes discomfort, it is recommended to go to the hospital in time for examination and treatment.