(1) Objective To study the practical erperience of pyloric sphincter incision and figuration for the patients who undertook the uppergastrectomy.

(2) For nitric oxide could loosen the pyloric sphincter and increase the bile acid to the stomach.

(3) Foreign bodies most commonly become lodged in the stomach because of the inability to pass through the pyloric sphincter , and in the jejunum.

(4) The use of gastric emptying rate of phenol red measured response in each group pyloric sphincter pressure in rats.

(5) Conclusion CGRP can promote bile acid reflux in the stomach. CGRP affect and regulate the relaxation function of the pyloric sphincter.