The utility model discloses an assembled switch cabinet for communication. The cabinet comprises a cabinet body, a second positioning block at the lower end of the cover plate is sleeved in the firstpositioning groove at the upper end of the cabinet body; a first fixing screw at the upper end of the cover plate penetrates through the cover plate and the second positioning block and is screwed into the bottom of the first positioning groove; first positioning blocks at the lower end of the cabinet are inserted into second positioning grooves at the upper end of the base. a second fixing screwon the side surface of the base penetrates through the side surface of the base and is screwed in the first positioning block; compared with the prior art, the beneficial effects of the utility modelare that: the utility model discloses: the beneficial effect is: The cabinet body can be disassembled and transported in the transportation process and is convenient to carry in the transportation process, positioning of the cabinet body, the cover plate and the base can be achieved through the first positioning block and the second positioning block in the installation process, fixed connection between the cabinet body, the cover plate and the base is achieved through the first fixing screw and the second fixing screw, and the installation process is convenient and fast.