Kit for nucleic acid extraction

The utility model discloses a kit for nucleic acid extraction, which relates to the technical field of nucleic acid extraction and comprises a positioning plate, a plurality of first protruding parts, a plurality of second protruding parts and a sealing film. The positioning plate is divided into a reagent area and an appliance area; the multiple first protruding parts are arranged on the positioning plate and located in the reagent area, and first containing cavities penetrating through the positioning plate are formed in the first protruding parts; the multiple second protruding parts are arranged on the positioning plate and located in the appliance area, second containing cavities penetrating through the positioning plate are formed in the second protruding parts, and the first protruding parts and the second protruding parts are located on the same side of the positioning plate; the sealing film covers the positioning plate and can seal the first containing cavity and the second containing cavity. Accord