The invention discloses a box-shaped electrical switch cabinet with a closed top cover for wind power generation. The electrical switch cabinet comprises a movable mechanism and a fixed mechanism which are used for installing an electrical switch, wherein the movable mechanism is arranged in the fixed mechanism. The electrical switch cabinet further comprises a drying mechanism for drying the switch cabinet and a cooling mechanism , wherein the drying mechanism is arranged in the fixed mechanism, and the cooling mechanism is arranged at the bottom of the fixed mechanism. According to the inven...