The utility model discloses a horse ear screwdriver which comprises a triangular sleeve, a built-in spring is arranged in the triangular sleeve, a sleeve is arranged at one end of the triangular sleeve, a first rope is arranged at the other end of the triangular sleeve, the other end of the first rope penetrates through the triangular sleeve and is connected with a handle, and a second rope penetrates through the triangular sleeve and is fixed on the sleeve. The donkey catching device has the advantages of liberating labor force and preventing the donkey from being bitten when catching the donkey.