PROBLEM TO BE SOLVED: To supply a resin material equally into a cavity, without reducing productivity.SOLUTION: The invention relates to a method for supplying a resin material, a method supplying a particle resin R to a concave receiver 33, wherein the concave receiver is formed with: a frame 31 whose top and bottom have openings in the shape corresponding to the opening of the mold cavity of a bottom mold; and a demold film 32 which covers the bottom opening of the frame 31. The method includes : a disposing step of disposing the concave receiver 33 in a manner of dividing the concave receiver 33 into a plurality of planar areas, wherein one of divided areas 33A is positioned under a resin supplying outlet 35a of a linear material feeding machine 35 located at a constant position; a resin supplying step of making the concave receiver 33 move in relative to the resin supplying outlet 35a while supplying the particle resin R through the resin supplying outlet 35a, so that the particle resin R is supplied to t