A manufacturing apparatus for a composite sheet associated with an absorbent article including: a conveying mechanism that conveys continuously the continuous body of the sheet and a guiding member that transports the continuous body of the elastic member, and that bonds the continuous body of the elastic member with the continuous body of the sheet, wherein the guiding member includes a drive roller that, while being contact with the continuous body of the elastic member, is driven and rotated along a transporting direction of the continuous body of the elastic member, and by changing a rotation speed of the drive roller, a stretching ratio of the continuous body of the elastic member is adjusted.