Liraglutide is generally not recommended for weight loss in normal people, Liraglutide is suitable for adult patients with type 2 diabetes mellitus to control blood glucose; it is suitable for patients with poor glycemic control even after treatment with the maximum tolerable dose of metformin or sulfonylurea alone, and it is recommended that it be used under the guidance of a doctor when it is used in combination with metformin or sulfonylurea. Allergy to liraglutide active ingredients and excipients is prohibited; no experience in the treatment of type 1 diabetes mellitus, is prohibited in such patients, and is not used in the treatment of diabetic ketoacidosis; patients with a history of pancreatitis should be used with caution; liraglutide delays gastric emptying, which may reduce the absorption of oral medications, and should be used with caution in patients requiring oral fast-acting medications. Treatment with liraglutide is not recommended for normal people who simply want to lose weight but do not meet the indications for liraglutide. Application of liraglutide may cause nausea, vomiting, diarrhea, dizziness, nervousness, headache, indigestion and other adverse reactions. Patients who need to use liraglutide should be treated under the guidance of a doctor, and should not blindly use the drug on their own.