The pancreas is an organ located in the left upper abdomen, behind the peritoneum, in the posterior wall of the stomach. The pancreas is a very important organ in the body that has both endocrine and exocrine functions. As far as endocrine is concerned, it can ensure that blood sugar is maintained at a normal level because it is in charge of blood sugar regulation, while the exocrine function can mainly secrete many digestive enzymes that can help the body to decompose, absorb and digest nutrients such as proteins and fats. Therefore, when there is a problem with the pancreas, on the one hand, it will lead to blood sugar fluctuations; on the other hand, the nutrients cannot be broken down, resulting in nutritional status problems. Therefore, the pancreas is a very important organ in the body, and problems with the pancreas can lead to damage to endocrine and exocrine functions, which can affect blood sugar and the decomposition and absorption of many nutrients.