The present conditions,causes of sedimentation and impacts of sedimentation on the ecological functioning of a wetland in Xianhai town have been studied.Results indicates that human over utilization and poor management are the key causes of the sedimentation of the wet land.The ecological functioning of the wetland, for instance, in flood control, water purification, and habitat provision for waterfow land other birds, have been seriously affected.Management strategies and measures for wetland restoration and sustainable wetland and water resource use are put forward, with their primary aim being the control of sedimentation.