Patients with white tongue coating and obvious tooth marks around the tongue are often considered to have abnormalities in the liver and spleen, such as deficiency of the liver and spleen, which prevents normal metabolism and transportation of water and dampness, resulting in yang deficiency and yin, internal stagnation of water and dampness, and congestion of dampness, heat, phlegm and turbidity. It is mostly related to the patient’s long-term consumption of excessive cold, cold foods such as duck, green beans, cold drinks, and strong tea, and gradually injuring the spleen and stomach’s yang energy, or it may be caused by being in a cold environment, suffering from wind chills and colds, or cold evil injuring the stomach. In addition, patients with congenital spleen, kidney and lung diseases may also have a white tongue with teeth marks. Patients can consume foods that can help dispel dampness, consolidate qi and nourish blood, such as red beans, barley, poria, ginseng, astragalus, wolfberry, red dates, cinnamon, lotus seeds, aconite, angelica, black beans, etc., either alone or in combination with two or more kinds, such as red beans and barley tea, wolfberry and red dates soup, silver ear and lotus seed soup, etc. For patients whose symptoms are more serious and even affect their normal life, they should take medication under the guidance of a doctor, such as flat stomach san, granules for clearing heat and dispelling dampness, as well as ginseng and white atractylodes san, gui spleen pill and jian spleen pill. At the same time, patients should ensure sufficient and regular sleep, avoid staying up late, and avoid direct blowing of cold air conditioners and fans. Patients are advised to insist on aerobic exercises such as yoga, jogging, swimming, climbing, etc., which are beneficial to the blood circulation of the whole body and reduce dampness.