A double-balloon catheter device for gastrointestinal anastomosis, comprising a liquid injection assembly, a double-balloon assembly, and a supporting device connecting the liquid injection assembly, and-the double-balloon assembly, and a hose, wherein the liquid injection assembly comprises a first balloon liquid injection connection port, a guide wire connection port, and a second balloon liquid injection connection port; the double-balloon assembly comprises a double-balloon catheter device and expandable first balloon and second balloon disposed at two ends of the double-balloon catheter device, respectively, the double-balloon catheter device is provided with a first balloon liquid injection channel, a guide wire channel, and a second balloon liquid injection channel, the first balloon liquid injection channel has an inlet connected to the first balloon liquid injection connection port and has an outlet connected to a liquid injection port of the first balloon, the second balloon liquid injection channel has an inlet connected to the second balloon liquid injection connection port and has an outlet connected to a liquid injection port of the second balloon, and the guide wire channel has an inlet connected to the guide wire connection port and has an outlet connected to a liquid outlet provided on the double-balloon catheter device between the first balloon and the second balloon. and the supporting device is connected to a first end portion of the double-balloon catheter device, characterized in that the hose is configured to be able to accommodate the first balloon liquid injection connection port, the guide wire connection port, and the second balloon liquid injection connection port, and the first balloon liquid injection connection port, the guide wire connection port, and the second balloon liquid injection connection port are distributed in a misaligned manner inside the hose. wherein the liquid injection assembly comprises a first balloon liquid injection connection port, a guide wire connection port, and a second balloon liquid injection connection port; the double-balloon assembly comprises a double-balloon catheter device and expandable first balloon and second balloon disposed at two ends of the double-balloon catheter device, respectively, the double-balloon catheter device is provided with a first balloon liquid injection channel, a guide wire channel, and a second balloon liquid injection channel, the first balloon liquid injection channel has an inlet connected to the first balloon liquid injection connection port and has an outlet connected to a liquid injection port of the first balloon, the second balloon liquid injection channel has an inlet connected to the second balloon liquid injection connection port and has an outlet connected to a liquid injection port of the second balloon, and the guide wire channel has an inlet connected to the guide wire connection port and has an outlet connected to a liquid outlet provided on the double-balloon catheter device between the first balloon and the second balloon. and the supporting device is connected to a first end portion of the double-balloon catheter device, characterized in that the hose is configured to be able to accommodate the first balloon liquid injection connection port, the guide wire connection port, and the second balloon liquid injection connection port, and the first balloon liquid injection connection port, the guide wire connection port, and the second balloon liquid injection connection port are distributed in a misaligned manner inside the hose.