Cold and hot channel isolation assembly

The utility model relates to the technical field of cold and hot channels, in particular to a cold and hot channel isolation assembly which comprises at least two rows of oppositely arranged cabinets, the two rows of cabinets are arranged at intervals to form a cold channel, cold air is introduced into at least one position in the cold channel, and a sealing cover is arranged at the top of the cold channel. The two ends of the cold channel are each provided with an end assembly used for closing or opening the end of the cold channel. A plurality of management areas are arranged in the cold channel, a movable assembly is arranged between every two adjacent management areas, and the movable assemblies can communicate or block every two adjacent management areas during sliding; through the arrangement of the movable assembly, each management area arranged in the cold channel is partitioned, so that the same management area can correspondingly place the servers with the same management level or confidentiality le