The normal human pancreas is generally placed transversely on the posterior abdominal wall at the level of 1 to 2 lumbar vertebrae. Normal human pancreas is a long and narrow gland, generally placed transversely on the posterior abdominal wall at the level of 1 to 2 lumbar vertebrae, and most of it is located in the retroperitoneum. Pancreas is divided into exocrine glands and endocrine glands, which consists of the head of the pancreas, the neck of the pancreas, the pancreas body and the tail of the pancreas, and exocrine glands mainly secrete pancreatic juice, while endocrine glands mainly secrete insulin, glucagon, growth inhibiting hormone, pancreatic polypeptide, and so on. As one of the important organs of the human body, if you suffer from pancreatitis, you will usually have severe abdominal pain, and in some cases, nausea, vomiting, fever, jaundice, and you must seek medical attention immediately.