Abstract: Construction of marine ecological civilization demonstration area has played an exemplary role in improving the level of marine ecological civilization construction and has a guiding significance to promote regional economic and social development mode change.Interpretation and application of national policies are focused in the domestic research on the evaluation of marine ecological civilization demonstration area, sustained and long-term assessment mechanism have not been established.The evaluation framework of demonstration area construction performance was established based on analyzing the connotation, advantage contents, problems, and development goals of research area.Blue economy system, resource guarantee system, ecological security system, soft power support system were included in the framework.Additionally, six recommendations for the indicators selection were made by analyzing the rationality of the existing evaluation index system (China's State Oceanic Administration, 2012) applied to a single case and considering strategic requirements of Guangxi to build a "Strong Marine Economy" and fulfill the new mission of "Three Strategic Positioning" as follows aiming at the present situation and actual development demand of Beihai city:(1) Assess the Reform of the System of Ecological Civilization; (2) Pay attention to the development trend of marine environmental protection industry; (3) Consider the ecological problems and the effect of corresponding protection work; (4) Reflect the dynamic process of demonstration area construction; (5) Concerned about foreign exchange and cooperation; (6) Attach importance to the wishes and aspirations of related stakeholders.Accordingly, the index system was constructed for evaluation on the Construction of marine ecological civilization demonstration area.