The key departments at the municipal level approved by the Department of Health of Sichuan Province are "Zigong Kidney Disease Center", "Zigong Orthopedic Treatment Center" and "Zigong Digestive Disease Prevention and Treatment Center ". Pediatrics, neurosurgery, obstetrics and gynecology and ICU intensive care are the superior disciplines of the hospital. The hospital has successfully carried out high difficulty techniques such as finger (limb) reimplantation, total hip replacement, cervical anterior vertebral body decompression and implantation for cervical vertebral body fracture with paraplegia, pontine cerebellar angle surgery, brachial plexus nerve exploration, and comprehensive diagnosis and treatment of difficult cardiac arrhythmia. It is the first one in the south Sichuan area to successfully carry out hemodialysis with direct penetration method, continuous blood purification, plasma exchange for the treatment of severe hepatitis, choledochal papillotomy and stone extraction under direct endoscopic vision (EST), biliary stenting, high-frequency electrocision of digestive polyps, stenting of benign and malignant stenosis of the esophagus, and painless gastroenteroscopy, etc.; and it was the first one in our city to carry out successful renal transplantation, percutaneous nephron puncture and pneumatic compression for the treatment of kidney stones, and ballistic stone crushing. In our city, we are the first to successfully carry out kidney transplantation, percutaneous renal puncture pneumatic ballistic lithotripsy for the treatment of kidney stones, inverse cholangiopancreatography (ERCP) and knee arthroscopy, discoscopy and other diagnostic and therapeutic programs.