From the perspective of traditional Chinese medicine, a thick white tongue coating is a manifestation of spleen-yang deficiency with damp-cold or kidney-yin deficiency. A white tongue coating indicates that there is cold in the body, whether by eating cold food or being cold. Therefore, the principle of conditioning is to eat less cold, moderate diet and insist on exercise. Usually, spleen deficiency and dampness will affect the excretion of stool, so it is necessary to strengthen the spleen and dispel dampness, and do not eat cold food in the diet to avoid re-injuring the spleen. At this time, you can use yam, coix seeds, poria porridge, can strengthen the spleen and benefit the qi, remove dampness. For the kidney can eat leeks, wolfberry, lamb, etc. in moderation. Persistent consumption can eliminate the problem of spleen deficiency, dampness and cold, kidney Yin deficiency, and the phenomenon of thick white tongue coating will gradually disappear. For spleen dampness mainly use drugs to dispel dampness, commonly used drugs include patchouli, houpo, foxglove, cloud poria, cardamom, coix seed, calamus, atractylodes, papaya, calcined dragon mushroom, jiao sanxian, etc., can be boiled into Chinese medicine under the guidance of a doctor. After using the medicine, the diet usually multiplies, night sweats are greatly reduced, and the white thick and greasy moss will gradually subside. Kidney Yin deficiency can be treated with Chinese herbal medicines such as Liu Wei Di Huang Wan and Zuo Gui Wan, and the white tongue coating can be relieved after treatment. When the symptoms disappear, you can use Ginseng and Atractylodes to strengthen the spleen, benefit the qi and dispel dampness. After conditioning, you should follow up for 3 months to consolidate the efficacy and achieve cure. Usually, after solving the problem of spleen deficiency and dampness cold or kidney deficiency, the manifestation of white and thick tongue coating will disappear, and then constant exercise to strengthen the body can effectively reduce recurrence. However, for thick white tongue due to hypertension, hyperlipidemia, arteriosclerosis and other diseases, active treatment of the original disease is required for the symptoms to be relieved.