Pancreatic chubby look i.e. considered as pancreatic enlargement on imaging is usually associated with pancreatitis, infectious diseases, pancreas related diseases and other causes. 1. Pancreatitis: for example, irregular diet, overeating, frequent alcohol abuse, late-night snacking, and liking to eat greasy food can lead to pancreatitis, which increases the secretion of pancreatic enzymes, leading to hemorrhage, abscess, and necrosis of the pancreas and its surrounding tissues, which can be manifested as an enlarged pancreas. 2. Infectious diseases: common diseases include viral hepatitis, infectious mononucleosis and other diseases, which can lead to pancreatic swelling, manifested as a fat pancreas. 3. Other diseases of the pancreas: such as pancreatic duct stones, tumors, etc., which can make the pancreas become thick locally or as a whole, appearing cysts or incomplete pericardium, and even lead to the appearance of pancreatic masses. When the pancreas becomes fat, you need to attach great importance to it, go to the hospital in time, improve the enhanced CT or enhanced MRI examination of the pancreas, clarify the cause of the disease, and facilitate targeted treatment.