Nucleic acid detection box convenient to carry

The utility model discloses a nucleic acid detection box convenient to carry, and relates to the technical field of nucleic acid detection boxes, the nucleic acid detection box comprises a lower box body, a telescopic mechanism and a refrigeration mechanism, the telescopic mechanism comprises a connecting frame, an upper box body, an electromagnet A, a fixed block, an electromagnet B and a connecting block A. The top of the lower box body is fixedly connected with the connecting frame; the upper box body is connected with the connecting frame in a sliding mode, a cover plate is hinged to the upper box body, a lock catch is arranged on the cover plate, and a sliding groove matched with the connecting frame is formed in the upper box body. According to the telescopic storage device, the electromagnet B arranged in the fixing block fixedly connected to the top of the connecting frame makes contact with the connecting block A, then the electromagnet B is powered on, the electromagnet B has magnetism to attract th