If there are cracks in the middle of the thin white tongue, it is normal physiological and does not need special treatment; if it is accompanied by uncomfortable symptoms, it is necessary to identify the external sensation or light internal injuries and give the treatment of relieving the surface and clearing away the heat, nourishing Yin and tonifying blood. 1. The tongue coating is thin and white with cracks in the middle, the cracks cover the tongue coating, and there are no discomfort symptoms, generally belong to the congenital normal tongue cracks, do not need drug treatment. Usually pay attention to the diet, regular work and rest, avoid spicy and stimulating food, and take care of it. 2. accompanied by cold fever, headache and other symptoms, belonging to the exterior of the surface of the evidence need to take pungent and warm relief of the surface of the formula to regulate, the prescription of jingfeng da table soup or jingfeng sepulchral powder plus subtraction treatment. Slightly internal injury blood deficiency not moist evidence, can take the four things Tang plus reduction regulation. Tongue thin white with cracks in the middle, to distinguish physiological or pathological, to take a reasonable approach, can not ignore the changes in the tongue, in order to more accurately diagnosis and treatment.