Thickness of the tongue can be treated by taking medication under the guidance of a physician, and can also be regulated by improving the diet. 1. Medication: Thick white moss on the tongue may be related to the body’s spleen deficiency, dampness and other reasons. It is recommended to take some traditional Chinese medicines to strengthen the spleen and stomach (to restore the function of the spleen and stomach) and dispel dampness and regulate qi under the guidance of the doctor, such as Ginseng Spleen Pill and Ginseng Ling Baijutsu Pill. Note that allergy to the two drugs is prohibited. 2. Dietary adjustments: It is recommended to eat some foods with the effect of strengthening the spleen and inducing dampness, such as Poria, Semen Coicis, Chinese yam, etc. In addition, you should eat less spicy food. In addition, usually should eat less spicy, cold and other stimulating food. In addition to medication and dietary adjustments, it is also important to note that moderate exercise can improve one’s immunity and help improve the symptoms. If there are obvious symptoms of discomfort, it is recommended to go to the hospital and standardize the treatment under the guidance of a professional physician, do not take medication without authorization to avoid causing adverse reactions.