Abstract: The state attaches great importance to the protection of the island, and the ecological restoration of the damaged island is of great significance to the maintenance of ecological security, the improvement of the living environment of the islanders and the sustainable development of the island. The research on island ecological restoration in China is lagging behind, especially in the study of Island reclamation before restoration. On the basis of combing the development status of island ecological restoration and the application of PSR model in the field of ecological evaluation, this paper puts forward the index system of ecological conservation Island assessment from the three levels of island ecological stress, the health state of sea island surrounding sea island and the management mechanism of island resource and environment, aiming at the ecological renovation of this kind of island. It provides a theoretical reference for the goal making of complex and management.