Tooth marks on the tongue are clinically known as dentate tongue, mainly manifested by the appearance of teeth extrusion marks on the edge of the tongue body, which can also be called dentate tongue, mostly caused by fat tongue body pressed by teeth, which belongs to the category of heterosexual tongue and has important guiding significance for clinical diagnosis. Tooth mark tongue is easier to identify during diagnosis, external factors are more difficult to influence. Chinese medicine believes that tooth mark tongue is mostly caused by qi deficiency, spleen deficiency and yang deficiency, the main reason is that spleen deficiency cannot transport water and dampness, resulting in an oversized tongue body, so tooth mark tongue is main spleen deficiency and spleen dampness, if the tongue is light white and moist, it indicates spleen dampness is heavy, the tongue is light red with white coating and tooth mark generally indicates spleen deficiency or qi deficiency. Chinese medicine treatment of tooth marks should be to remove dampness and strengthen the spleen, can be for different tooth marks treatment reasons for evidence, spleen and stomach function to restore normal, tooth marks tongue can also be eliminated. In daily life, do not eat too much cold products, not to crave fatty, sweet and greasy products, can eat more spleen food to assist treatment, such as: yam, poria. In the process of treatment, the teeth marks tongue, should be light diet, so as not to increase the burden on the spleen and stomach, taking dampness and spleen drugs need to adhere to the course of treatment, not to stop the drug.