Abstract: At present, the aging trend of China′s population is intensifying and the number of overweight and obese elderly people is on the rise. The elderly obese is facing the treatment of related metabolic diseases, including cardiovascular disease, hypertension, type 2 diabetes, etc. In addition to life intervention and drug control, bariatric surgery is also one of the effective methods. Bariatric surgery can permanently reduce body mass, improve or alleviate the condition of patients, and prolong life. The authors analyze the indications and contraindications, perioperative manage-ment, surgical methods, surgical safety and effectiveness, and current problems of bariatric surgery for elderly obese patients.