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 . <EOS>