Wetland introduction: The water area of the protected area is 38 hectares. The towers, meadows and shrubs on the water are connected, forming seven connected lakes and swamps, forming a ring of water. Forest swamps, shrub swamps, grass pond swamps and moss swamps, among which forest swamps, shrub swamps and peat moss swamps are unique wetland vegetation types in northern China. Many higher plants such as bryophytes, ferns, gymnosperms and angiosperms are rare in China's humid broad mixed forest areas and cold humid coniferous forest areas.