Plastic silica gel label capable of being repeatedly used and convenient to replace

The utility model discloses a plastic silica gel label capable of being repeatedly used and convenient to replace, which comprises a silica gel label body and a positioning strip, one end of the silica gel label body is adhered with a pull-out structure, the pull-out structure comprises a transparent sleeve, a groove, a mark piece and a mark groove, the transparent sleeve is fixed at one end of the silica gel label body, and the groove is fixed at the other end of the silica gel label body. A groove is formed in the top end of the interior of the transparent sleeve, positioning strips are bonded to the two sides of one end of the silica gel specimen body, a replacement structure is arranged at the other end of the interior of the silica gel specimen body, and an anti-tearing structure is arranged in the silica gel specimen body. According to the utility model, through the arrangement of the pull-out structure, when the label content needs to be replaced, the mark piece is pulled out from the interior of the t