The invention discloses an auxiliary laying equipment of a cable. The auxiliary laying equipment comprises a cable storage mechanism and a cable transmission mechanism, wherein the cable storage mechanism comprises a cable drum and a support mechanism, the cable drum is rotatably supported on the support mechanism, the support mechanism comprises a support rack, an installation steel pipe and a rotation mechanism, the rotation mechanism is arranged on the support rack by the installation steel pipe and is in screwed connection with the installation steel pipe, the cable transmission mechanism comprises a conveyor shell, a driving mechanism and a press mechanism, the driving mechanism is arranged in the conveyor shell and drives through a belt, the press mechanism is fixed at an upper end of the conveyor shell and comprises a press rack, a press roller and a lifting mechanism, the lifting mechanism is fixed on the press rack, and the press roller is arranged at a lower end of the lifting mechanism. Cable laying is assisted by the cable storage mechanism and the cable transmission mechanism, labor is saved, the cable laying process is simple, and the laying efficiency is high.