To provide a method capable of pasting fusuma paper (paper for covering the surfaces of sliding doors) to fusuma paperboard more efficiently than pasting work by hand by using a simple facility and remarkably smoothly and beautifully without causing warping or crease and capable of surely pasting fusuma paper to fusuma paperboard remarkably economically when compared with lamination processing means without causing loss.

This method for pasting fusuma paper comprises passing fusuma paperboard 1 through a sizing machine to applying a sizing agent to the surface of aluminum foil of the fusuma paperboard 1, placing the fusuma paper 4 onto the surface coated with the sizing agent, pressing the fusuma paper 4 by a pressor 5 and pasting the fusuma paper to the fusuma paperboard under pressure smoothly to whole surface.