Full-automatic nucleic acid detector

The invention provides a full-automatic nucleic acid detector. The full-automatic nucleic acid detector comprises a rack; the sample module is provided with a sample frame for placing a sample tube, a cap screwing assembly and a holding assembly; the enclasping assembly is used for fixing a tube body of the sample tube, and the cap screwing assembly is used for uncapping or capping the sample tube; the strip cup supporting module is provided with a supporting plate and a plurality of strip cups, and the strip cups are placed on the supporting plate and used for containing reagents needed for nucleic acid extraction and extracting nucleic acid; the pipetting module is used for loading a pipette and/or a puncture head; the puncturing head is used for puncturing a sealing film arranged on the strip cup and used for sealing a reagent; the reagent module is used for storing detection reagents at low temperature; a consumable module; the centrifugal module is used for centrifuging the mixture to be amplified; the a