Diabetes mellitus belongs to the category of Chinese medicine thirst disease, Chinese medicine treatment of thirst disease needs to be based on the identification of the type of medicine, currently divided into lung heat and fluid injury (heat in the lungs, continuing to deplete the body’s fluid), gastric heat blazing, as well as kidney yin deficiency and yin and yang deficiency and other types of evidence. 1. Lung-heat and fluid damage: symptoms such as irritable thirst and excessive drinking, dry mouth and tongue, and frequent and copious urination can be seen. The treatment is to clear heat and moisten the lungs (to remove heat to moisturize the lungs), and to promote the production of fluid to quench thirst (to promote the production of fluid to alleviate thirst), the formula is to use Quenching Thirst Formula with additional subtractions; the adverse effects and contraindications are not yet clear. 2. Stomach heat: symptoms such as excessive eating and hunger, excessive thirst and urination, and emaciation can be seen. Treatment should be to clear the stomach and diarrhea fire (remove stomach fire), nourish yin and increase fluid (increase body fluid), the formula with Jade Lady Decoction plus or minus; the use of attention to the spleen and stomach yang deficiency should not be used, the adverse effects are not clear. 3. Kidney yin deficiency: frequent urination and excessive urination, knee pain, weakness and dizziness, tinnitus and other symptoms can be seen. Treatment should nourish yin and tonify the kidney, moistening dryness and quenching thirst, the formula is Six-flavored Di Huang Pill plus subtractions; adverse reactions and contraindications are not yet clear. 4. Deficiency of yin and yang: symptoms such as frequent urination, emaciation and lack of warmth of the limbs can be seen. The treatment should be warming the yang and nourishing the yin, tonifying the kidney and fixing the regimen, the formula is Jin Gui Kidney Qi Pill plus subtractions; contraindications are contraindicated in pregnant women, the adverse effects are not clear for the time being. There are other types of medication for thirst-quenching disease, which need to be guided by Chinese medicine practitioners, and unauthorized use of medication may cause serious adverse effects on the body.