The invention discloses a machine room server device for collecting and processing big data. The machine room server device includes a main cabinet body composed of a plurality of installing cabinets.A cold air device is fixedly arranged at the top end surface of the main cabinet body, and the right side end surface of each installation cabinet is internally provided with an accommodating cavity,a main machine body is in slidable matched connection inside the accommodating cavity, an air supply pipe extending in a left-right mode is disposed in the inner wall of the installing cabinet on theleft of the accommodating cavity, an insertion connection port extending into the accommodating cavity is fixedly disposed at the tail end of the right side of the air supply pipe, the bottom end face of the accommodating cavity is internally provided with a dual inclined plane groove, the top end face of the right side of the main machine body is internally provided with a placement cavity, theinner wall of the main machine body on the left of the placement cavity is internally provided with air inlet holes formed in a left-right mode, the extending tail end of the left side of each air inlet hole penetrates the outer end face of the left side of the main machine body, and the extending tail end of the left side of the air inlet hole is opposite to the insertion connection port. According to the machine room server device for collecting and processing big data, automatic control steady locking operation, automatic control connection and cooling control operation can be achieved.