Evaluation of international port city based on fuzzy comprehensive evaluation

Port city is the result of interactive development of city and port, and international port city is the advanced stage of port city development. Firstly, the evaluation index system of international port city is constructed, which includes openness and internationalization of the city, economic development and technological innovation, port radiation and influence, balanced development and ecological environment, residents' life and social development. Taking Ningbo as an example, the fuzzy comprehensive evaluation method is used to evaluate the international port city. The results show that Ningbo port has strong radiation and influence, the urban development is not balanced, and the level of urban openness and internationalization needs to be improved.