Pancreatitis does not usually result in a ca199 value greater than 1000 KU/L . Ca199 is mainly distributed in the pancreas, gallbladder, liver and intestines, etc. It is a tumor marker, which is obviously related to gastrointestinal tumors and is more sensitive to assess the presence of pancreatic cancer, gastric cancer, colon cancer, rectal cancer, cholangiocarcinoma, hepatocellular carcinoma and so on. Under normal circumstances, the normal value of ca199 is 0~37KU/L, the index of ca199 is greater than tens of times or even hundreds of times of the normal high value, especially be alert to the occurrence of malignant tumors, greater than 400KU/L, combined with the imaging examination found that the pancreas has space-occupying lesions, the need to be alert to the presence of malignant tumors. Inflammation of the pancreas can also lead to an increase in the index of ca199, but relatively speaking, the magnitude of the increase is not obvious, generally not greater than 1000KU/L; found that the value of ca199 increased significantly, it is recommended to consult the Department of Hepatobiliary Surgery of the regular hospital.