The urban wetland park is an indispensable part of an ecological city. It has aroused widespread attention and even quickly planning and construction around the country. But, in terms of the nature of the urban wetland park, there is a contradiction between the protection of urban wetland resources and the openness of the urban park for public. This article starts with the necessity for construction of urban wetland park, more over expound the existent problems between the protection and openness of the urban wetland park and to propose appropriate measures through the case study on Nanhu National Urban Wetland Park, Tangshan.

Abstract
 1. Introduction
 2. Research Methods
  2.1. The protection and use of nature system: urban wetland park
 3. Results and Discussion
  3.1. Nanhu National Urban Wetland Park
 4. Conclusion
 References

• Beiguang Liu(Environment Art Design, Academy of Arts & Design, Tsinghua University)
• Yu Hao(Environment Art Design, Academy of Arts & Design, Tsinghua University)
• Tae-Dong Cho(Department of Environmental Landscape Architecture, Gangneung-wnoju National University) Corresponding author