目前我国城市污染状况的确定主要依靠环保部门的常规监测和航空遥感调查方法。如何对大范围的环境污染和生态环境进行快速的调查是我们近几年来探索的课题。本文介绍了利用航天遥感技术结合航空遥感、常规监测资料进行四川省酸沉降污染调查和研究的方法，它为遥感技术在环境调查和监测中的应用提供了新的思路，对环境遥感的发展具有重要意义。 At present, the determination of urban pollution in China mainly depends on the routine monitoring by the environmental protection department and the aviation remote sensing survey method. How to conduct a quick survey on a wide range of environmental pollution and ecological environment is the topic that we have explored in recent years. In this paper, the method of using aerospace remote sensing technology combined with remote sensing and routine monitoring data to investigate and study the acid deposition pollution in Sichuan Province is introduced. It provides a new idea for the application of remote sensing technology in environmental investigation and monitoring, Significance.