Challenge of City Environment Construction and Strategy of Green Space System

The city environment construction of China is facing many difficulties and challenges. Through the concerted exploration in the recent years to find the way of improving city environment that is suitable to Chinese situation, the result is to plan and construct a complete green space system, supplement the defective conditions by the system's superiority and produce the integrated effectiveness. The article dissertates on the composition of green space system, some important issues in the planning and construction and corresponding measures. The fact illustrates the effectiveness of city green space system in solving the city environment problems. However it needs some research and continues improving.