Abstract: Warming, the impact of crop pests and diseases is huge, a direct resuh of the occurrence of pests and diseases, most of the popular winter, damage law changes. In the Baotou region, the annual average temperature is gradually increased, this change is more conducive to the occurrence of locusts, potato late blight and other pests and diseases, development, and so harm, trends aggravated difficulties, attention should be paid to the comprehensive prevention and control work.