Cracks in the middle of the tongue should be treated by traditional Chinese medicine practitioners after identification and treatment, and medication can be taken to Zhi Bai Di Huang Wan, Jian Spleen Pills, Ginseng Yang Rong Pills, and Niuhuang Qing Stomach Pills. Cracks in the middle of the tongue are known as cracked tongue in Chinese medicine, characterized by the appearance of cracks on the tongue surface of varying amounts and shades. There are four causes. 1. Heat and injury, manifested as dry mouth and thirst, constipation and so on can be used Ox-Huang Qing Stomach Pills. The effect of the formula can clear the stomach and diarrhea fire (remove stomach fire), moisten dryness and laxative. Adverse reactions and contraindications are not clear. 2. Yin deficiency and fire exuberance (deficiency of Yin essence in the body, resulting in hyperactive fire), manifesting as five heart-heat (heat in the heart of the hands and feet, and self-consciousness of the heart and chest), hot flashes (a burst of heat), night sweating (abnormal sweating after going to sleep, and stopping of sweating after waking up), and so on. Zhi Bai Di Huang Wan can be used. It can nourish yin and lower fire (nourish yin essence and lower fire) and should not be taken by patients with cold and fever. It should not be taken by people with allergies. 3. Blood deficiency without moisturizing, manifesting as dizziness and pallor. Ginseng Nourishing Glory Pill can be used. It can nourish and replenish blood, and should not be taken by patients with cold and fever. Adverse reactions and contraindications are not clear. 4. Spleen deficiency without nourishment, manifesting as fatigue and laziness, poor diet and loose stools (thin and unformed feces), etc. can be used in Gui Spleen Pills. It can benefit qi and strengthen the spleen. Contraindications are not clear, and it may cause gastrointestinal discomfort and skin rash. Not suitable for patients with cold and fever. Reminder: If you feel unwell, please consult a doctor in time, do not self-medicate to avoid delaying your condition.