Provided is a method for producing a transdermal absorption sheet capable of suppressing the entrainment of bubbles in a liquid material.A method for producing a transdermal absorption sheet includes a step of preparing a mold having a plurality of needle-like recessed portions, and a step portion which surrounds the plurality of needle-like recessed portions and is higher than a needle-like recessed portion formed surface, and a step of supplying a liquid material for a transdermal absorption sheet from a jetting opening of a filling head to a region surrounded the step portion of the mold, in which the filling head includes a head main body having an inner wall surface defining a supply pipe, and the inner wall surface includes a tapered pipe surface defining a tapered pipe having a diameter gradually increased toward the jetting opening of the head main body.