The invention relates to a lifting frame control system based on a direct current motor push rod and a control method thereof, and belongs to the technical field of direct current motor push rod lifting frame control. The technical problem to be solved is to provide an improvement of a lifting frame control system hardware structure and a control method based on a direct current motor push rod. The technical scheme adopted for solving the technical problem is as follows: the system comprises an upper control machine arranged in a monitoring room, and the upper control machine is connected witha plurality of lower unit machines through a field communication bus; the lower unit machine is internally provided with a unit controller which is respectively connected with a LCD display screen, akeyboard, a power supply module, a data acquisition module, a data communication module and a direct current motor driving module through wires; and the direct current motor driving module is arranged at the bottom of the lower unit machine, the signal output end of the direct current motor driving module is connected with a direct current motor, and the direct current motor is provided with a load sensor, an infrared sensor and a position sensor. The invention is applied to lifting frame control places.