[Problem] to provide a method for producing a decorative sheet using biomass-derived polyethylene, which can suppress color loss of a pattern pattern and adhesion failure to an adherend. [Solution] provided is a method for producing a laminate comprising: A step of preparing a base material sheet 1 containing biomass-derived polyethylene and having a first surface and a second surface; a step of performing solid printing on the first surface side of the base material sheet with an ink containing a resin component and a liquid component by a gravure printing method using an intaglio roll, Forming a pattern auxiliary layer 2 on the first surface side of the base material sheet, forming a rear surface adhesion auxiliary layer 4 by applying ink containing a resin component and a liquid component to the second surface side of the base material sheet by a gravure printing method using an intaglio roll, And...
