Outdoor distribution box with waterproof, dustproof and heat dissipation functions

The utility model discloses an outdoor distribution box with waterproof, dustproof and heat dissipation functions, which comprises a cabinet body and a ceiling, the ceiling is welded on the top surface of the cabinet body, a rain collecting groove is welded on the top surface of the ceiling, and a water storage cavity is arranged below the rain collecting groove and inside the ceiling. According to the utility model,a ceiling is mounted on the top surface of the cabinet body; a plurality of rainwater collecting grooves with strip-shaped structures are formed in the top surface of the ceiling;the filter screen plate welded in the rainwater collecting tank can filter rainwater; then the rainwater is guided into a water storage cavity formed in the ceiling through a rainwater collecting groove; meanwhile, the side wall of the inner surface of the cabinet body is provided with a water cooling pipe in a snake-shaped structure in an attached manner. One end of the water cooling pipe penetrates through the water sto