1, cholecystitis, gallbladder stones, gallbladder polyps, common bile duct stones, intrahepatic bile duct stones 2, liver cysts, liver abscesses, hepatic hemangiomas and some liver cancers 3, spleen surgical diseases 4, pancreatic surgical diseases 5, acute and chronic appendicitis 6, gastroduodenal ulcers and perforation, gastric tumors 7, colon tumors, rectal tumors, small intestine tumors 8, intestinal adhesions intestinal obstruction 9, thyroid tumors, hyperthyroidism 10, inguinal hernia 11, a variety of difficult abdominal diseases require laparoscopic surgery to confirm the diagnosis