Anti-leakage peritoneal dialysis external short tube

The invention relates to the technical field of medical instruments, and discloses an anti-leakage peritoneal dialysis external short tube which comprises a tube body and a first connector, the first connector comprises a protective sleeve, a tube hoop, an inner connector, an outer connector and a limiting buckle, one end of the tube body is arranged in the protective sleeve and connected with the inner connector, the tube hoop is arranged at the joint, a baffle is arranged on the inner connector, and the limiting buckle is arranged on the inner connector. The upper half portion of the inner connector is arranged in the outer connector, a silica gel gasket is arranged between the inner connector and the outer connector, a limiting piece is arranged at the bottom of the outer connector, a sealing ring and a spiral sliding groove are arranged on the side wall of the outer connector, an anti-retreating groove is formed in the bottom of the spiral sliding groove, and the limiting piece is arranged in the protecti