Three-way valve type stomach tube capable of improving use convenience

The three-way valve type stomach tube comprises a three-way valve body and a stomach tube connector installed at the bottom end of the three-way valve body in a penetrating mode, and the interior of the stomach tube connector is connected to the top end of the stomach tube body in a penetrating mode. The top end of the three-way valve body is connected with a conveying pipe connector in a penetrating mode, and the middle of the right end of the three-way valve body is connected with a negative-pressure water pipe connector in a penetrating mode. The three-way valve further comprises a main rotating circulation disc rotationally arranged at the center position in the three-way valve body through a bearing, and a first flow guide conveying groove is fixedly formed in the left side in the main rotating circulation disc. A sealing shifting plug is connected into the negative pressure water pipe connector at the right end of the three-way valve body in an attached mode. According to the three-way valve type stomac