The skirt-edge tongue, that is, the tooth-scarred tongue, belongs to the abnormal tongue shape, which refers to the traces of teeth on the edge of the tongue body, just like the skirt, in a wavy shape. The skirt tongue is mostly due to fat tongue body and compression by teeth, including pathological and physiological factors.1. Pathological factors: The main causes include impaired blood circulation in the tongue body, malnutrition, congenital macroglossia and systemic diseases, which lead to edema and fat tongue body and teeth compression on the tongue edge, thus appearing tooth marks. The symptoms of tongue blood circulation disorder can be improved by symptomatic treatment, and medications can be applied to improve blood circulation under the guidance of doctors. Malnutrition of the tongue can be supplemented by adjusting dietary habits and increasing the intake of vitamins and proteins. Chinese medicine believes that spleen deficiency and water dampness lead to a fat tongue, which can be treated with evidence; 2, physiological factors: the tongue belongs to the soft tissue, which will change its shape with the morphology of the surrounding teeth, if the dental arch is narrower, crowded, often use the tongue against the teeth, the normal tongue edge shape for a long time in contact with the teeth, it will also show the shape to fit, forming a skirt tongue, if there is no discomfort, this If there is no discomfort, this situation does not require special treatment. It is recommended that patients consult a professional doctor to clarify the specific cause of the problem and treat it accordingly under the guidance of the doctor.