Duodenal papillary carcinoma can be categorized into intestinal type and pancreaticobiliary type. Duodenal papillary carcinoma is the cancer appearing in the papilla of duodenum where the opening of common bile duct reaches, which is the most common malignant tumor of duodenum and belongs to the category of peripancreatic carcinoma, which is a kind of tumor with medium malignant degree. 1. Intestinal type: Duodenal papillary cancer is at the opening of pancreatic duct of common bile duct. With the continuous expansion of tumor, it may press the jugular abdomen and cause bile duct obstruction, thus causing bleeding, jaundice and other symptoms. It can be treated by duodenectomy. 2. Pancreatobiliary type: some patients may have the manifestations of acute pancreatitis, such as full abdominal pain, pressure pain, full abdominal muscle tension and mobile turbid sound, etc. It can be treated by pancreatectomy and duodenectomy. Therefore, patients with duodenal papillary carcinoma should go to the hospital as soon as possible to clarify the cause of the disease and carry out standardized treatment under the guidance of doctors.