Baby diaper with 360-degree prevention of front and back leakage

The utility model discloses a baby diaper with 360-degree prevention of front and back leakage, which comprises a diaper body, a left leakage-preventive sheet and a right leakage-preventive sheet. The diaper body sequentially consists of a PE (polyethylene) film, bottom-layer non-woven fabrics, super absorbent resin liner pack and a hydrophilic non-woven fabric layer from outside to inside, the PE film, the bottom-layer non-woven fabrics, the super absorbent resin liner pack and the hydrophilic non-woven fabric layer are sewn with each other, the PE film is used as a bottom-layer leakage-preventive layer of the baby diaper, hydrophilic non-woven fabrics and the PE film are adhered with each other to form a sandwich layer used for holding super absorbent resin, the left leakage-preventive sheet and the right leakage-preventive sheet have certain flexibilities and tenacities and are platy structures similar to shapes of elongated strips, the left, the front and the back of the left leakage-preventive sheet are