The invention provides a laminate for inhibiting ethylene response in plants, comprising at least one layer of a polymer composition and at least one layer of a paper substrate, wherein the polymer composition comprises an agent that blocks binding sites for ethylene response in plants, a solvent having slight solvency or no solvency, and a polymer or copolymer soluble in the solvent and water； and a method for preparing the same. The present invention also provides a method for preparing the paper substrate laminate, and a method for inhibiting ethylene response in plants. The present invention also provides an aluminum foil-based or corrugated board-based laminate for inhibiting ethylene response in plants, comprising at least one layer of a polymer composition and at least one layer of aluminum foil or corrugated board, wherein the polymer composition comprises an agent that blocks binding sites for ethylene response in plants, a solvent having slight solvency or no solvency, and a polymer or copolymer soluble in the solvent and water.
