Paper diaper

The utility model relates to the technical field of hygienic products, in particular to a paper diaper which comprises a body, an upper elastic band and a lower elastic band. The body comprises an impermeable layer, an absorbing layer and a permeable layer; the two sides of the permeable layer protrude upwards to form convex columns; urine display glue is arranged at the joint of the absorption layer and the impermeable layer; the impermeable layer is provided with a transparent cavity; one side of the upper elastic band and one side of the lower elastic band are respectively provided with a first sticking sheet; the other side of the upper elastic band and the other side of the lower elastic band are both provided with second sticking pieces matched with the first sticking pieces. According to the utility model, the convex columns are upwards arranged on the two sides of the permeable layer, so that the two sides of the body can be resisted, and leakage detection of liquid is prevented; when the liquid soaks