The invention relates to a miniature fully enclosed hot and cold channel separation type integrated cabinet. The cabinet comprises a front cabinet door, a rear cabinet door, two side plates and a cabinet body, cold and hot channels in the cabinet body are separated, the cabinet further comprises a hot channel section, an equipment placing section and a cold channel section, the two side plates canbe detachably installed on two sides of the cabinet body to make the capacity expanding and maintaining of the cabinet body convenient, and the equipment placing section is provided with a power distribution system, an air conditioning heat-dissipating system, a UPS system and an environment control system. The cabinet has the advantages that 1), UPS, power distribution, air conditioning and a monitoring unit are integrated, the investment is low, the scale is small, and the occupation space is small; 2), the cabinet body part is fully enclosed and the cold and hot channels are separated so that temperature environment in the machine cabinet can be maintained; 3), pre-integration, factory prefabricating, preassembling and pre-commissioning can be integrally achieved, and the constructionperiod is short; 4), the side plates can be detachably installed, and detachable wheels are arranged at the bottoms of the side plates to make maintaining and capacity expanding convenient; 5), the cabinet has a remote monitoring function, remote and concentrated monitoring and management of multiple branches can be achieved to make operation and maintaining convenient.