Patients with choledochal cyst with pancreatitis can be treated after surgery. Choledochal cyst with pancreatitis is usually due to choledochal cyst causing obstruction of choledochal duct, resulting in bile not being able to be secreted, obstruction of pancreatic duct at the end of the choledochal duct and duodenal papilla, poor drainage of pancreatic fluid, pancreatic fluid acting on the pancreas itself, which in turn causes pancreatitis. Usually surgery to remove choledochal cysts, relieve the pressure of the bile ducts, relieve the pressure of the pancreatic ducts, and drain the pancreatic fluid smoothly, then there will be no pancreatic secretion that can not be drained to cause pancreatitis, thus curing the disease of pancreatitis. If the patient is not feeling well, he should go to the hospital for examination in time, and should not be careless so as not to delay the treatment.