The utility model relates to a switching valve's instrument especially relates to a valve switch ratchet wrench assembly. Valve switch ratchet wrench assembly, including ratchet spanner and correspondthe complex chuck with ratchet spanner, the chuck is equipped with at least two, each chuck has the valve handle complex jack catch that is used for and corresponds the model respectively, ratchet spanner has a power output unit, each chuck have respectively be used for and the power output unit grafting complex power input part that splines, among power input part and the power output unit one of them is for the hole of splining, till another rotary column. When using valve switch ratchet wrench assembly during switching valve, can be according to the size select chuck type of valve handle,the jack catch of protecting on the identification card dish can stably block on the valve handle, easy dismounting, the application scope guangZhou does not receive the restriction of workplace.