Abstract: This article has carried on the narration about the present situation of grassland locust plague in Tacheng region, which has reviewed hazards and characteristics of locust plague occurred in recent years, summarized the natural foundation and man-made factors of locust’s occurrence, and concluded the current locust control technology and evaluated their effectiveness. The article believed that the frequency of current locust plague was rooted in man-made and natural factors which have caused a sharp deterioration of grassland ecological environment, pointing out that the present prevention and control work was the key to protect and restore the grassland ecology so as to eliminate ecological foundation of locusts occurrence, making great effort to strengthen the locust plague’s early warning capabilities, and at the same time, paying attention to sharing information with our neighboring states about the plague of locusts.