Nucleic acid detection test tube storage device

The utility model provides a nucleic acid detection test tube storage device which can standardize storage of nucleic acid detection test tubes and provide a low-temperature and closed storage environment for the nucleic acid detection test tubes. The device comprises a box body; the test tube rack is arranged in the box body to contain nucleic acid detection test tubes, the inner wall of the box body is provided with a boss which is arranged in the circumferential direction, the boss is provided with a limiting groove, the test tube rack is provided with a protrusion matched with the limiting groove, the edge of the test tube rack is placed on the boss, and the edge of the test tube rack is placed on the protrusion. The bulge is just positioned in the limiting groove; the supporting plate is arranged below the test tube rack so as to support the bottom of the nucleic acid detection test tube on the test tube rack, and the supporting plate is made of a metal material; and the refrigeration substance is placed