The invention discloses a fruit and vegetable antistaling coating, which is composed of the following raw materials (by weight): 1 part of an ethylene absorbent, 100-200 parts of an adhesive, 0.1-10 parts of a water regulator and 0.05-15 parts of an antibacterial agent. A preparation method of the fruit and vegetable antistaling coating is simple; manufacturing cost is low; antistaling function is good; and the formula used has good safety, has no residue, can be used for directly packaging fruit and vegetable products, and has strong market competitive superiority.