To provide a diaper for babies, bedridden patients, or the like, which reduces the frequency of use and the number of diapers used, is easy to wear, improves a sense of stability while worn, and prevents urine leakage.

This paper diaper has belts (5a) and (5b) on both the lower sides of a diaper body (1) and an abdomen cover section (2) formed on the lower part of the diaper body (1). The belts (5a) and (5b) are put on the abdomen cover section (2) crossing on the abdomen and the end of each of belts (5a) and (5b) has an adhesive section (6a).