To form embossed groups while preventing floating or breakage of a surface sheet in an absorbent article formed with second vertical embossments as well as a pair of right/left first vertical embossments extending along an approximately longitudinal direction on a liquid permeable surface sheet side.

In embossing work, the first vertical embossments 8 and the second embossments 10 and 10 are formed in respectively different processes by a front-step compression groove molding device 19 and a rear-step compression groove molding device respectively.