Power cabinet with heat dissipation function

The invention relates to the technical field of power cabinets, in particular to a power cabinet with a heat dissipation function. The power cabinet comprises a power cabinet body and a heat dissipation fan, wherein the top part of the power cabinet body is fixedly connected with a rainproof cover, the power cabinet body is internally connected with a heat dissipation assembly, the heat dissipation assembly comprises a mounting frame, the interior of the mounting frame is fixedly connected with the heat dissipation fan, a first air duct is arranged above the heat dissipation fan, a dredging cylinder is arranged in the first air duct, a fixing assembly is connected to the upper portion of the dredging cylinder, a dustproof assembly is connected to the interior of the fixing assembly, and an air inlet assembly is arranged below the heat dissipation assembly. According to the power cabinet, the dustproof assembly can effectively cooperate with heat dissipation of the heat dissipation fan for dustproof treatment,