The utility model discloses a twisting force socket spanner with a marking function, and belongs to the technical field of spanners. According to the twisting force socket spanner, after a bolt is fastened by a user, the user instantly conducts marking operation on the bolt with the hand conveniently. The twisting force socket spanner comprises a spanner head, a spanner handle integrally connected with the spanner head and a socket connected with the spanner head, a socket vertical hole is formed in the top of a socket cavity of the socket, a vertical cavity is formed in the spanner head, a pressure bag is connected to the spanner handle, liquid is contained in an inner cavity of the pressure bag, a communication pipe communicated with the inner cavity of the pressure bag in a closed mode is arranged at the upper end of the vertical cavity, a piston is arranged in the vertical cavity, an upper connecting rod is fixedly connected to the lower bottom face of the piston, and a connector is connected to the lower end of the upper connecting rod; a lower connecting rod is arranged in the socket vertical hole, a pressing plate connected with the lower end of the lower connecting rod is arranged at the upper end of the socket cavity, a sponge is connected to the lower surface of the pressing plate, tinting liquid is absorbed to the sponge, and the upper end of the lower connecting rod is connected to the connector.