Abstract: In view of the problem that Yuanjiang County jasmine insect pest Aggravates day by day, especially the jasmine flower bud snout moth, the rule of which is not clear, and which profits from the non- preventing and controlling experience, what’s more ,the flower grower abuses agricultural chemicals, as a result not only the preventing and controlling cost is high, the effect is not ideal, moreover which creates pesticide residue and the environmental pollution realistic question. For the above situation, I applied in February, 2004 to establish this topic. By studying the topic ,It will be clear about the jasmine harmful insect's type, to grasp distribution and harms and rule of the main harmful insect in the Yuanjiang planter area. From this , economical, effective, and safe preventing and controlling technology strategy has been proposed ,which will solve the jasmine production difficult problem well.Experiment has indicated that, Dealing with the main pest of jasmine—jasmine flower bud snout moth , only suitably selects highly effective, low poisonously, low residual agricultural chemicals. After experimental sieving, The biological agricultural chemicals, such as Tiantai of 2.1%1000 times liquid, Aifuding of 24.5%1500 times liquid, Abading of 1.8% 3000 times liquid, Avermectin of 1.8% 3000 times liquid, Jinfuding of 1% 1000 times liquid and so on.,are at present ideal medicament for preventing and controlling jasmine flower bud snout moth .These medicaments have displayed the better preventing and curing benefit in the big area production utilization.The best spraying time is suggested from 8 to 9 o’clock at night, which may remarkably enhance the preventing and curing effect.