The invention discloses a mobile rehabilitating training robot for lower limbs. The mobile rehabilitating training robot comprises a thigh connecting rod, a shank connecting rod and a foot pedal whichare all located on one side of the exterior of a support; a connecting lug plate is fixedly connected to one side of the foot pedal; one end of each rotating driving mechanism is a rotating part, andthe other end of each rotating driving mechanism is a fixing part; the three rotating driving mechanisms include the first rotating driving mechanism, the second rotating driving mechanism and the third rotating driving mechanism; the first rotating driving mechanism is fixedly connected to the upper portion of the support through the corresponding fixing part, the rotating part of the first rotating driving mechanism is fixedly connected with the upper end of the thigh connecting rod, and the lower end of the thigh connecting rod and the upper end of the shank connecting rod are fixedly connected with the two ends of the second rotating driving mechanism respectively; the lower end of the shank connecting rod and the connecting lug plate are fixedly connected with the two ends of the third rotating driving mechanism respectively. The mobile environmentally-friendly anchoring and shotcreting trolley is simple in structure, low in cost, capable of conveniently completing complex physical therapy training motion, good in physical therapy effect, small in size and suitable for patients at home.