This kit uses a unique buffer system and is especially suitable for extracting genomic DNA from fresh plant materials. It is safe and convenient to use. It can remove impurities, proteins and other organic compounds in cells to the greatest extent. The extracted genomic DNA fragments are large, high purity, stable and reliable in quality. The DNA recovered by this kit can be used in various routine operations, including enzyme digestion, PCR, library construction, Southern hybridization and so on.