To provide a cleaner which can remove a used resin left in a molding machine in a small amount in a short time to enable the employment of the molding machine for a normal molding process, when the used resin is replaced by a resin having a different color.

This resin composition for cleaning, obtained by compounding 100 pts.wt. of a resin component comprising 10 to 99 pts.wt. of an ethylene- unsaturated ester copolymer and 90 to 1 pts.wt. of polyethylene having a MFR of ≤1.0 g/10 min with 0. 1 to 20 pts.wt. of a powdery inorganic filler and 0.1 to 10 pts.wt. of a lubricant.