The invention discloses a heart intervention catheter butt joint bracket which comprises a main body plate, wherein the upper surface of the main body plate close to the front side is provided with a straight-shaped butt joint groove which penetrates through two ends of the main body plate is arranged on the main body plate and close to the front side of the main body plate; a front inclined plate inclining upwards is arranged on the butt joint groove and the main body plate in the front; and the middle part of the butt joint groove is provided with a butt joint mark. The heart intervention catheter butt joint bracket provided by the invention has the advantages that in use, a catheter and a guide wire interface are bidirectionally placed in a groove on the bracket, the mutual butt joint operation is carried out by utilizing the guide effect of the groove, and the operation is successful at one time; the device is simple in manufacturing, materials are easy to get, the volume is small, the manufacturing cost is low, the operation conditions are not restricted, and the catheter sacculus and the bracket can not be damaged; the operation time is saved, thus myocardial ischemia and oxygen deficiency for patients is reduced, and the heat functions are improved; and meanwhile, the energy and physical agility of surgeons are saved as much as possible, the essential conditions for the successful surgery are provided, and the working efficiency is improved.