Cholecystectomy is indicated for gallbladder stones, acute and chronic cholecystitis, gallbladder polyps, and gallbladder cancer. Immediate and long-term complications may occur after cholecystectomy, including bleeding, bile leakage biliary peritonitis, bile duct stenosis, and recurrent stones in the common bile duct. 1. Immediate complications mainly include bleeding, bile leakage peritonitis, subhepatic effusion, subphrenic abscess, jaundice, pancreatitis, gastrointestinal fistula and so on. 2. Long-term complications mainly include possible bile duct stenosis, recurrent stones in the common bile duct, biliary hemorrhage, post-cholecystectomy syndrome, and increased incidence of colon cancer. To summarize, regular review should be done after cholecystectomy. If there is any discomfort, consult a doctor in time.