对新常态下港口吞吐量与国民经济相关变动趋势进行定量研究,对于预判宏观经济走势、把控港口建设规模和节奏、促进港口行业转型升级都具有重要指导意义交通运输是国民经济的重要基础性、服务性行业,对社会经济发展具有强烈的正反馈效应。水运作为重要的交通运输组织方式,具有运量大、运距长、成本低廉、安全环保等比较优势。港口是水运的关键节点。因此,在中国宏观经济景气指数研制和开发过程中,沿海港 Quantitatively studying the changes of port throughput and national economy in the new normal can be of important guiding significance in predicting the macroeconomic trends, controlling the scale and pace of port construction and promoting the upgrading and upgrading of the port industry. Transport and transportation are the important foundations of the national economy Sexual and service industries have a strong positive feedback effect on social and economic development. Water transport is an important means of transport organization, with the advantages of large capacity, long distance, low cost, safety and environmental protection. The port is the key node for water transport. Therefore, in the development and development of China’s macro-economic sentiment index, coastal ports