The practice of beach management in Shenzhen is mainly based on territorial management. Restrictions on the use of the right to use the sea area may cause ecological damage to the beach，is rarely or limited. Based on this，we can use the public trust doctrine in for ways：Firstly，to give the coastal district government Environmental damages litigation qualification. Secondly，to make the public’s rights on the beach can be prosecuted and concrete. Thirdly，clarify the trust obligations of the owner of the beach. Fourth，to strengthen the public participation in beach development and disposition. Through the improvement of the management system of beach resources，this passage can provide a path reference for the realization of beach value.