Brace screw sleeve

The utility model provides a brace screw sleeve. The cylindrical screw sleeve made of foam plastics or rubber is sleeved on a screw connected with a brace and coated with a winding layer, so that the screw is separated from concrete; in such a way, the cast screw sleeve can be conveniently detached. And the screw is sawed off, and the brace is sealed in the concrete so that the brace is prevented from rusting due to contact with air and water and from influencing the concrete quality. The screw sleeve adopts an upper semicircle and a lower semicircle and is convenient to mount and take out; a plastic tape made of polyfluortetraethylene is provided with a back adhesive and is convenient to seal the screw sleeve with the screw and the module, and the material is hardly stuck to the concrete and convenient to take out. The utility model has simple structure, low manufacture cost, simple and convenient operation and reliable quality, thereby being suitable for the concrete construction of mid-scale and small-scal