With the smooth convening of the 19th CPC National Congress, the big ministry system reform of environmental protection, the vertical management system reform of environmental monitoring institutions and the three “Article 10” be in full operation have raised new requirements for ecological environmental protection, environmental monitoring and comprehensive analysis of environmental quality. Under the new situation, the comprehensive analysis of environmental quality should keep pace with times and engage in exploitation and innovation. We should optimize the working mechanism, strengthen system analysis, improve the scientificity, normalization, timeliness, accuracy and objectivity of comprehensive analysis report, and enhance technology and ability support of the work, in order to promote the leading role of environmental monitoring to environmental management and decision-making.