A lower limb rehabilitation training robot is provided, which includes a bedstead support and a rising bedstead arranged on the bedstead support, and further includes a linear motion device, a push rod device, a bionic leg arranged at one end of a surface of the rising bedstead and hinged to the rising bedstead, and a bed board configured to support a patient and arranged at another end of the rising bedstead. The linear motion device is arranged between the bedstead support and the rising bedstead, is configured to allow the rising bedstead to slide along the bedstead support, and has one lateral surface connected to the bedstead support and another lateral surface hinged to the rising bedstead. The push rod device is configured to drive the rising bedstead to rotate around a hinge point where the rising bedstead is hinged to the linear motion device.