A Clinical Study of Chinese Domestic Surgical Robot

Inclusion Criteria: 1\. 18-65 years old, male or female 2 .American Society of Anesthesiologists (ASA): Level 1, Level 2 or Level 3 3\. BMI 18-30Kg/m2 4\. Benign gallbladder diseases such as acute or chronic cholecystitis, gallstones and polypoid lesions of gallbladder 5\. Subjects or their legal representatives/guardians voluntarily participate in clinical trials and have signed informed consent form Exclusion Criteria: 1. Participating in any other clinical trial within 30 days before signing the informed consent form 2. Pregnancy or lactation 3. With a history of epilepsy or psychosis 4. With a history of previous operations at related sites 5. Severe cardiovascular and cerebrovascular diseases with New York grade III-IV cardiac function or pulmonary insufficiency that can't tolerate the operation 6. Severe liver and kidney insufficiency such as cirrhosis and renal failure 7. Acute cholecystitis lasting for more than 72 hours, acute cholecystitis with severe complications such as cholecystitis, gangrene, perforation, etc., and gallbladder thickness thicker than 10 mm 8. Acute cholangitis, gallstone with acute pancreatitis, primary common bile duct stones, intrahepatic bile duct stones and obstructive jaundice 9. Gallbladder cancer or protuberant lesions are suspected to be cancerous 10. Severe allergic constitution and suspected or identified addicts to alcohol or drugs 11. Abdominal infection, peritonitis, diaphragmatic hernia, severe systemic infection or metastatic diseases 12. Other situations that researchers consider it inappropriate to participate in this clinical trial