Stomach tube convenient to fix

The utility model relates to the technical field of medical equipment, and discloses a stomach tube convenient to fix, which comprises a tube body and two ear hanging rings, a drainage port is arranged at the upper end of the tube body, the right side of the drainage port is connected with a plugging cap through a connecting belt, and the lower end of the drainage port is communicated with the upper end of the tube body through a corrugated tube. A thin pipe is arranged on the left side of the pipe body, a liquid pumping pipe is arranged on the left side of the upper end of the thin pipe in acommunicating mode, test paper is arranged in the liquid pumping pipe, the upper end of the pipe body is movably connected with a lantern ring in a sleeved mode, fixing blocks are fixedly connected tothe two sides of the lantern ring, and the two hanging lug rings are arranged on the outer sides of the corresponding fixing blocks. Cavities are formed in the fixing blocks on the two sides, and winding mechanisms for adjust