The utility model discloses multipurpose wrench belongs to oil recovery mechanical maintenance field, handbag should be pulled and F type spanner and the U type support of connecting through two -way ratchet was drawn together to and can be between U type support the pivoted multi -purpose pullover, F type spanner one end set up two with body of rod vertically jack catch, two jack catchs can constitute a plane with the body of rod, the other end is connected with two -way ratchet, the rim plate fixed mounting of two -way ratchet in U type support bottom, rim plate place plane and U type support place plane are the coplanar, multi -purpose pullover to be four different valves pullover with adjacent pullover 90 position fixed connection, the tie point stretches out the end with U type support and is connected through the axle, the utility model discloses multipurpose wrench can operate the valve of five kinds of differences, avoids operating personnel to carry too much heavy spanner when carrying out field maintemance to the well head, has increased the security of operation when having reduced intensity of labour.