Machine room micro-module integrated fusion cabinet and fusion method

The invention discloses a machine room micro-module integrated fusion cabinet and a fusion method, and the machine room micro-module integrated fusion cabinet comprises a first cabinet body which is provided with a first side surface and comprises a first transmission part, a transmission part installation groove and an elastic part, and the elastic part is arranged between the first transmission part and the transmission part installation groove; the second cabinet body is provided with a second side face and comprises a transmission groove, a transmission rod and a rotating assembly, the transmission groove is formed in the second side face and corresponds to the first transmission part, the transmission rod is matched with the first transmission part, the rotating assembly is connected with one end of the transmission rod and controls the transmission rod to rotate, the first transmission part horizontally moves along the transmission groove, and the first cabinet body integrally horizontally moves; the de