Dry tongue may be caused by yin deficiency, actual heat and other factors, can take general treatment, medication and other ways to regulate, the specific effect varies from person to person, there is no which method is faster. 1. General treatment: patients with dry tongue should follow the principle of light diet in daily life, avoiding oily and stimulating food, so as not to damage the fluid. It is also necessary to ensure sufficient rest, not to stay up all night. 2. Medication: Sha Shen Mai Dong Tang is composed of mai dong, Sha Shen, lentils, mulberry leaves and other medicines, which has the effect of nourishing the stomach and promoting the production of fluids, and can be used for the treatment of thirst, tongue dryness, dry cough and other conditions caused by gastric yin insufficiency (insufficient yin fluid in the stomach). Adverse effects of Sha Shen Mai Dong Tang are not clear, and it is not suitable for patients with external cough and deficiency of spleen and stomach (weak and cold spleen and stomach). Qinggong San is made up of Shengma, Huanglian and other drugs, with the effect of clearing the stomach and cooling the blood (eliminating stomach heat, cooling blood heat and preventing bleeding), it can be used for the treatment of dry mouth and tongue, swollen and painful gums, bitter mouth and other conditions caused by the blazing of stomach fire. The adverse reactions of Qinggongsan are not clear, and it is not suitable for patients with wind-cold toothache and kidney deficiency and inflammation of fire. The above drugs need to be selected under the guidance of a doctor, not blindly use their own medication, so as not to delay the condition.