The invention discloses a whole blood DNA quick extraction kit which comprises a lysis solution, a proteinase K, a combined solution, a magnetic bead, a cleaning solution 1, a cleaning solution 2 and an eluent. The 96-pore pre-split deep hole plate mode is adopted and a nucleic acid automatic extraction instrument can be combined for automatically extracting nucleic acid, so that the whole blood DNA can be quickly and effectively extracted in abundance.