Based on the current situation of the cruise industry and the literature on the research of the cruise industry chain model，this paper distinguishes the upstream，middle and downstream links of the cruise industry chain，puts forward the hypothesis of the dual chain model of the cruise industry，and designs an expert questionnaire. In this paper，statistical methods are used to analyze the reliability and validity of the questionnaire，independent samples are used for T test，and various industrial links in the construction model are analyzed to complete inferential statistics and further optimize the cruise industry chain model. The conclusion shows that the cruise industry chain has the characteristics of double chain structure different from other industries，and the double chain model has certain rationality.