Stomach tube capable of detecting pH value

The utility model discloses a stomach tube capable of detecting a pH value, which comprises a tube body of which one end is provided with an embedded head part, an exposed tail part arranged at the other end of the tube body, a first detection mechanism and a second detection mechanism which are arranged on the outer wall of the tube body and are distributed at an interval, and a pH value detector which is connected with the first detection mechanism and the second detection mechanism through electric wires, a plurality of drainage holes communicated with the exposed tail part are formed in the connecting end face of the imbedding head part, the first detection mechanism is distributed close to the imbedding head part, and the first detection mechanism comprises a multi-bag mechanism which is fixedly connected with the tube body and internally communicated with the exposed tail part and at least two first detection probes connected with a pH value detector; the multi-capsule mechanism comprises at least three