Objectives : The aim of this study was to understand application of Ganhap(干合) theory to human body. Methods : We investigated 5 important sphincters along the alimentary tract (Larynx, Pharynx, Cardia, Pyrolus, Iliocecal portion) comparing with the function of Viscera and Bowels, also with Meridian and collateral theory. Results & Conclusions : We can analyze 5 important sphincters along the alimentary tract into relationship of Ganhap. 1. Larynx are related with the combination of Byeong-Sin(丙辛合). 2. Pharynx are related with the combination of Jeong-Im(丁壬合). 3. The Cardia is related with the combination of Mu-Gyu(戊癸合). 4. The Pyrolus is related with the combination of Gap-Gi(甲己合). 5. Ileocecal portion is related with the combination of Eul-Gyeong(乙庚合).