Glucagon-like peptide-1, GLP-1) is a hormone mainly produced by intestinal L cells, belonging to incretin (incretin), glucagon-like peptide-1 receptor agonist (GLP-1RA) is a new hypoglycemic drug in recent years, by activating GLP-1 receptor, enhancing insulin secretion in a glucose concentration-dependent manner, inhibiting glucagon secretion, and can delay gastric emptying, reduce food intake through central appetite suppression, so as to achieve blood sugar, weight loss and other effects.