Beijing-Tianjin-Hebei Region ecological development is an important way to coordinated development of Beijing-Tianjin-Hebei Region. First of all，put forward the development goal of collaborative ecological economy in Beijing Tianjin and Hebei，establishing control ecological economic indexes，then control the reality，analyzes the actuality and dilemma of ecological economic cooperation in Beijing-Tianjin-Hebei Region，finally put forward the ecological industry system construction of Beijing，Tianjin and Hebei，clear positioning industry，the construction of ecological agriculture，ecological industry and ecological service system.