描述了不同时期山东省农业有害生物种群数量变动，运用４６年资料建立预测式，预测“九五”时期农业有害生物种群数量呈上升趋势，发生面积和发生面积占种植面积的比例较“八五”时期分别增长１３５２％和１２５６％。提出实施ＩＰＭ对策，从生态系统整体出发，充分发挥自然控制的作用，尽量减少化学农药的使用量，逐步走向良性循环的轨道 This paper describes the quantitative changes of pests in agriculture in Shandong Province in different periods and establishes a predictive equation based on 46 years of data. It is predicted that the number of agricultural pests will increase during the Ninth Five-year Plan period, and the proportion of occurring pests and area of ​​pests in the “ ”Period increased by 1352% and 1256% respectively. Put forward the countermeasure of implementing IPM, proceed from the ecosystem as a whole, give full play to the role of natural control, minimize the use of chemical pesticides, and gradually move towards a virtuous circle