1. A lot of factors just pneumogastric nerve regulation and humoral regulation affect the pancreatic exocrine secretion.

2. A lot of factors just as pneumogastric nerve regulation and humoral regulation affect the pancreatic exocrine secretion.

3. Results: Gastroplegia was caused by many factors especially age, surgical trauma, cutting of pneumogastric nerve, electrolyte disturbances, pain and psychological factor after the surgery.

4. If appear to vomit, may be to vomit the axis, or ex- court, the pneumogastric nerves is related.

5. On the 8th day mice except in normal group were anesthetized and ligated bilateral common carotid artery and pneumogastric nerve so as to establish models of acute ischemia.