The invention discloses a medicine feeding device used for the esophagus for the gastroenterology department. The device comprises a medicine tube, a placing groove, an air cushion, a silica gel piece, a fixed rod, a first liquid discharging hole, a sliding rod, a second liquid discharging hole, a rubber cushion and an avoidance hole. The medicine feeding device used for the esophagus for the gastroenterology department is ingenious in structure, powerful in functions and simple in operation, by means of the device, in the medicine feeding device, medicine liquid closely fits the esophagus ofa patient, the effect of feeding the medicine liquid is effectively improved, and the effect of treating the patient is ensured.