Pancreatic nodules are asymptomatic when they are small and show pain and swelling when they are more serious. Clinical imaging shows that the border is unclear, and tumor marker examination shows the presence of carcinoembryonic antigen. Pancreatic nodule refers to the appearance of newborn swelling in the pancreas, generally due to the pancreas has occurred in the long-term chronic inflammation stimulation caused by the nodule, pancreatic nodule is a kind of benign lesions, generally nodule is relatively small when there is no obvious clinical symptoms and manifestations. In severe cases, there will be pain, swelling and other manifestations. Pancreatic nodules in the early stage of clinical imaging manifestations of unclear boundaries, irregular shape of the nodule. In the late stage of pancreatic nodules, tumor markers such as carcinoembryonic antigen and glycan antigen CA19-9 are found in the tumor marker examination. In case of cystic nodules and cystic solid nodules, surgical treatment is usually required. If the pancreatic nodules are small and have no symptoms and manifestations for the time being, they can be closely observed first. If you feel unwell, it is recommended that you go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy.