The invention relates to a separated motor vehicle steering wheel capable of preventing vehicles from being stolen. The separated motor vehicle steering wheel comprises a driving rod, and the top end of the driving rod is connected with a disk body, wherein the top end of the driving rod is articulated with a fixing handle, the edge of the fixing handle is provided with irregular saw teeth, and the fixing handle can pass through the middle of the disk body; a handle lying groove is arranged on the disk body, the fixing handle corresponds to the handle lying groove, and the fixing handle can be buckled in the handle lying groove; and a stabilizing spring is sleeved at the top end of the driving rod and positioned between the driving rod and the disk body. After a vehicle is parked, the fixing handle can be lifted, and the disk body is singly taken down. The disk body is convenient to carry and can be left at home, and the vehicle cannot be driven without the disk body, thus the separated motor vehicle steering wheel can prevent the vehicle from being stolen.