The utility model discloses a coupler anti-lifting device for passenger train, which comprises a fixed plate (1); wherein, one end of the fixed plate (1) is provided with a hole (6) and the other end of the fixed plate (1) is connected with a round tube (2); a pin hole (3) is arranged on the round tube (2). The coupler anti-lifting device for passenger train has simple structure, convenient operation and reliable fixation, and can effectively prevent the train separation due to the lifting of coupler rod because of artificial malice operation, and reduce accidents.