Orlistat tablets are used in the treatment of patients who are obese or overweight. Orlistat belongs to the group of gastrointestinal lipase inhibitors that inhibit the breakdown and absorption of fats from food, resulting in weight loss. It is taken orally with a meal or within 1 hour after a meal, and a single dose may be omitted if a meal has not been eaten or if the food does not contain fat. Adverse reactions such as oily spotting in the stool, increased gastrointestinal gas, urgency of stool, steatorrhea, abdominal pain, flatulence, watery stools, soft stools, dental discomfort, gingival discomfort, menstrual disorders, anxiety, fatigue, elevated alkaline phosphatase, rash, urticaria, angioneurotic edema, etc., may occur after the use of the product, and it is recommended to discontinue the drug and seek medical attention promptly. Allergic persons should be cautious, children under 2 years of age, pregnant and lactating women, chronic malabsorption syndrome, cholestasis allergic to this product, patients with organic obesity is prohibited. Patients who want to use orlistat tablets are advised to go to a regular hospital, consult a professional doctor and use the medication under the doctor’s guidance to avoid blind use of medication. It is recommended that obese people reduce their weight through diet control and proper exercise, and should not rely excessively on drugs.