Close-fitting paper diaper capable of preventing side leakage

The invention discloses a close-fitting paper diaper capable of preventing side leakage. The close-fitting paper diaper comprises a paper diaper body and a front strap and is characterized in that thefront strap is mounted at the top of the paper diaper body, a rear strap is mounted on each of the left side and the right side of the bottom of the paper diaper body, the front strap is connected with insertion grooves through nylon straps, a first clamping block is mounted on each of the upper side and the lower side of the rear inner wall of each insertion groove, a first insertion opening isformed in each of the upper side and the lower side of the inner wall of each insertion groove, and the front outer wall of each support plate is provided with a second insertion opening. The close-fitting paper diaper has the advantages that a user can wear the paper diaper body through the front strap and the rear straps, the front strap cannot be disconnected from the rear straps through the insertion connection of the insertion grooves and the support plates, the insertion grooves cannot be easily separated from the support plates by the coordination of the first insertion openings and second clamping blocks, the insertion grooves can be tightly connected with the support plates by the coordination of the first clamping blocks and the second insertion openings, paper diaper falling offis prevented, and convenience is brought to people.