Sample collection tube for antigen detection

The utility model discloses a sample collection tube for antigen detection, which comprises a sample collection tube and a tube cover, the tube cover is fixedly connected with the sample collection tube, the tube cover comprises a turning cover and a cover body, the turning cover is arranged on the cover body, the turning cover is detachably connected with the cover body, the cover body is provided with a round hole communicated with the sample collection tube, the inner wall of the cover body is provided with a sliding groove, and the sliding groove is matched with a sliding block. A limiting opening is formed in the end, close to the bottom of the cover body, of the sliding groove, a breaking opening facilitating cotton swab breaking is formed in the bottom of the cover body, and a sliding block fixed to the cover body is arranged on the side edge of the turning cover. The device has the advantages that the flip cover can be firmly fixed on the cover body through the matching of the sliding groove, the slid