Portable vehicle lifting machine and method for lifting vehicles by aid of portable vehicle lifting machine

The invention provides a portable vehicle lifting machine which comprises scissor type lifting machine. A first lower transverse pipe and a second lower transverse pipe are arranged at two ends of a base of the scissor type lifting machine, a first upper transverse pipe and a second upper transverse pipe are arranged at two ends of a lift platform of the scissor type lifting machine, four movablesupport rods are mounted at two ends of the first lower transverse pipe and two ends of the second lower transverse pipe, support legs are mounted at the ends of the various movable support rods, fourmovable support arms are mounted inside two ends of the first upper transverse pipe and two ends of the second upper transverse pipe, a swing arm is connected with an end of each movable support armby a rotary shaft, and the swing arms can rotate around the rotary shafts to reach the locations perpendicular to the first upper transverse pipe or the second upper transverse pipe when the rotary shafts move out of the first