Diabetic patients usually take oral selegiline phosphate tablets once a day, the recommended dose is 100mg, the specific use of the dose to follow the principle of individualization, need to consult a professional doctor. Sitagliptin Phosphate Tablets are mainly indicated for type 2 diabetes mellitus and can be used alone or in combination with other drugs. When used alone, with the control of diet and exercise, can better improve the blood sugar of patients with type 2 diabetes. When used alone is not effective, it can be used in combination with metformin for better blood sugar control. Used in combination with insulin, it can exert synergistic therapeutic effects. It is contraindicated for those who are allergic to any of the ingredients in Sitagliptin Phosphate Tablets. This product should not be used for type 1 diabetes mellitus or for the treatment of diabetic ketoacidosis and so on. Specific medication should be used according to one’s own situation and under the guidance of a professional doctor.