The invention relates to a method improving the pear shelf life aroma, which belongs to the agricultural product refreshing technology. First, water is used for preparing the sorbierite solution of 0.4mol/L; then the sorbierite solution of 0.4mol/L is used to prepare the linoleic acid solution of 1mmol/L; and the stored pear is soaked in the linoleic acid solution at the room temperature for 10min, or wrapping paper is used to repackage after being soaked and wetted with the linoleic acid solution, or the fruit is placed in a packing box to be packaged after the inner surfaces of the packing box are uniformly smeared with the linoleic acid solution, and then the treated or packed pear is stored at the room temperature to be sold. The invention has the characteristics of safety, convenience, low cost, high benefits and the like, the method is simple to operate, and practical, and good application value and industrialization prospect are obtained.