Preparation method and new application of 2-acetylfuran

The invention relates to a preparation method of 2-acetylfuran and new application of 2-acetylfuran to prevention and treatment of stored tobacco pests. The preparation method of 2-acetylfuran has the advantages of abundant raw materials, simple production process and low production cost. The 2-acetylfuran can be used for preventing and treating the stored tobacco pests, has good effects of fumigating, contacting and repelling the stored tobacco pests and is expected to be developed into a green biopesticide.