海南是中国最大的经济特区和唯一的热带岛屿省份，享有着得天独厚的地理位置和环境优势，发展海南旅游业，推进海南省国际旅游岛建设是国家在2017年作出的重大战略部署。经过多年的发展，海南已经成为了一个广受欢迎的旅游目的地。2018年，党中央决定支持海南全岛建设自由贸易港，政府政策的实施将直接拉动海南旅游业的发展，为打造国际旅游岛注入新的动力。本文以灰色关联度分析方法验证相关产业和海南旅游业之间的关联度，从系统的角度量化分析了海南省旅游市值，并且分析了海南自由贸易港的建设对海南旅游业的促进作用，对进一步打造海南国际旅游岛有一定的现实意义。

关键词：海南旅游、海南自贸港、国际旅游岛、灰色关联

Hainan is the largest special economic zone and the only tropical island province in China which enjoys unique geographical location and environmental advantages. Developing and promoting the construction of Hainan's international tourism island are the major strategic deployments made by the state in 2017. After years of development, Hainan has become a popular tourist destination. In 2018, the Central Committee of the Communist Party of China decided to support the construction of a free trade port on the whole island of Hainan. The implementation of the government policy will directly promote the development of Hainan's tourism industry and inject new impetus into the construction of an international tourism island. This article verifies the correlation between relevant industries and Hainan tourism industry with gray relation analysis method, quantitatively analyzes the tourism market value of Hainan Province from a systematic perspective, and analyzes the role of the construction of Hainan Free Trade Port in promoting Hainan tourism. Results of the study will demonstrate the significance for further building Hainan international tourism island.

Keywords: Hainan Tourism, Hainan Free Trade Port, International Tourism Island, Grey Relation Analysis