The utility model relates to a steel wire rope lifting device of two-layer three-dimensional parking equipment. Wherein the two winding drums are arranged on a cross beam of the main body frame and are coaxially linked, the motor drives the winding drums, the first steering wheel is fixedly arranged on a longitudinal beam of the main body frame, and the second steering wheel is fixedly arranged ona longitudinal beam of the main body frame; a first lifting steel wire rope and a second lifting steel wire rope are wound on each winding drum in the same direction, and a first anti-loosening and anti-breaking device and a second anti-loosening and anti-breaking device are arranged on the first lifting steel wire rope and the second lifting steel wire rope; the first lifting steel wire rope respectively bypasses the first steering wheel and the second steering wheel and then is fixed with one end of the two-layer vehicle carrying plate, and the second lifting steel wire rope bypasses the first steering wheel and then is fixed with the other end of the two-layer vehicle carrying plate; the longitudinal beam is further provided with an anti-falling device, a limiting switch and a limit switch.