A PANT-TYPE DISPOSABLE DIAPER (1) COMPRISES: A PANTS-SHAPED OUTER MEMBER (2) HAVING A FRONT PART, A BACK PART, AND A CROTCH PART POSITIONED BETWEEN THE FRONT PART AND THE BACK PART, AND HAVING A WAIST OPENING AND A PAIR OF LEG OPENINGS FORMED BY JOINING THE FRONT PART AND THE BACK PART； AND AN ABSORBENT MAIN BODY (8) DISPOSED ON AN INNER SURFACE OF THE PANTS-SHAPED OUTER MEMBER AT THE CROTCH PART, AND COMPRISING A TOP SHEET (9), A BACK SHEET (10), AND AN ABSORBENT (11) CORE DISPOSED BETWEEN THE TOP SHEET AND THE BACK SHEET； WHEREIN THE PANTS-SHAPED OUTER MEMBER COMPRISES A FIRST SHEET (5) MADE OF A SPUNBONDED NONWOVEN FABRIC PRODUCED BY MELTING A POLYMER COMPOSITION CONTAINING POLYOLEFIN AND/OR POLYESTER AND A SURFACTANT. ACCORDING TO THE PANTS-TYPE DISPOSABLE DIAPER ON THE ABOVE, THE PANTS-SHAPED OUTER MEMBER IS EXCELLENT IN WATER RESISTANCE AND SOFTNESS. FIGURE 3
