Alkaline phosphatase is not specific for the diagnosis of pancreatic cancer and is not usually used to diagnose pancreatic cancer. Diagnostic tools for pancreatic cancer mainly include imaging tests as well as pathologic tests. The diagnosis of pancreatic cancer is comprehensive and needs to integrate clinical symptoms, hematology, imaging and pathology. 1. Blood test: mainly tumor markers, most tumor markers of pancreatic cancer such as CA125 and CA199 can be elevated. 2. Imaging tests: such as ultrasound, CT, magnetic resonance, ERCP, PET-CT, etc., which are of great significance in clarifying the morphology, volume, blood flow, anatomical relationship and infiltration range of the tumor. 3. Pathological examination: Pathological examination is the “gold standard” for tumor diagnosis. The diagnosis of malignant tumors requires a variety of means of synthesis, and the significance of a single means of examination is limited. If you feel unwell, you should go to the hospital in time to improve the examination and make a clear diagnosis as soon as possible.