A bicycle inner tube repairing device disclosed by the present invention comprises a base, and a detection device is arranged in the base, and the detection device includes a detection cavity, and an inner tube is placed in the detection cavity, and a valve is installed in the inner tube, through which the The air valve is filled into the inner tube, and the damaged part on the inner tube can be observed in the detection cavity filled with water. The front side of the base is fixed with a fixed block through a fixed rod, and the fixed The rod is provided with a clamping device, through which the inner tube can be clamped on the fixed block for repair work. The invention is equipped with a detection device to automatically detect the damaged part of the inner tube, and the detection is rapid. Afterwards, the process of grinding, cleaning and drying, gluing, and pressing is carried out in sequence. In this process, the degree of automation is high, continuous operation, and the repair work efficiency of the inner tube is high. In addition, through mechanical gluing and rolling, the repair of the damaged part is firm. High reliability, convenient operation and high efficiency.