Based on the historical surface synoptic maps for the period 1958-1989, the climatological analysis of the Altai lee cyclogenesis is presented. The Altai lee cyclogenesis area is the greatest in Asia. There are pronounced seasonal variation of the frequency of the lee cyclogenesis, the trend of the Altai lee cyclogenesis showed a decline from 1958 to 1977. The trend of pressure of the cyclogenesis showed a decrease from 1958 to 1989. A few Altai lee cyclones explosively deepen over the Japan Sea and the Pacific ocean.