The present invention provides a disposable pants-type wearing article free from the possibility that upper regions of the leg-openings peripheral edges might be formed with frills, even when the belt-like leg elastic members contract along the peripheral edges of the respective leg-openings. Belt-like leg elastic members 14 F , 14 R in a disposable pants-type diaper 1 each have inner and outer surfaces at least one of which is bonded to sheet-like members 271, 272, 281, 282 included in put-flat-and-joined-together regions 50 and a crotch region 6 of the diaper 1. The belt-like leg elastic members 14 F , 14 R extend from the respective put-flat-and-joined-together regions 50 along the leg-openings peripheral edges 15 F , 15 R . Over ranges in which the belt-like leg elastic members 14 F , 14 R extend along the respective peripheral edges 15 F , 15 R , the sheet-like members 271, 272, 281, 282 also extend along the peripheral edges 15 F , 15 R .
