This course is a part of Environment Science, which is concentrated on Applied Ecology. The objectives of this course are to offer the relationships between environment, nature ecosystem and human activities to students. We will begin with teaching the basic concepts of Ecological Engineering Methods, describing the Aspect of law, Hydrology analysis, Basic data of environmental, Ecological engineering methods, Analysis of material price, and Maintain of Ecological Engineering Methods then and introducing the influences of human activities on environment and concepts of natural resources conservation.