Auxiliary tool for fastening automobile driving shaft nut and using method

The invention discloses an auxiliary tool for fastening an automobile driving shaft nut and a using method, a guide groove is matched with a guide step on a working chisel for use, and the purpose is to prevent the tool from rotating during working to affect the working precision. The return spring mounting seat is mounted on the inner wall surface of the working sleeve, so that one end of the return spring is fixed, the return spring penetrates through the chisel rod of the working chisel and is positioned between the head of the working chisel and the guide step, and the front end of the chisel rod of the working chisel can be impacted when the head of the working chisel is knocked; and the working chisel can work on the driving shaft nut more conveniently, so that the fastening of the driving shaft and the driving shaft nut is realized. And the anti-falling pin insertion hole is formed, and the anti-falling bolt is embedded into the anti-falling pin insertion hole and used for fixing the working sleeve and