| The economy of China,in the period of strategic development,has unique features of sustained growth,strong momentum and untapped potential.As the country’s emerging strategic pillar industry,the integration of cultural industry and tourism industry is a vital fad to promote the coordinated development of the tertiary industry structure and the rapid evolution of the economy,moreover,through the deconstruction and reconstruction of the elements,the combination shapes the boundary range and structure height of this two cultural and tourism industries again,which originated in independent way.Meanwhile,the state council proposed to merge the national tourism administration with the ministry of culture to form the ministry of culture and tourism in march 2018,and as a core economic development zone in China,the Yangtze River Economic Belt makes on the model of rich cultural tourism resources,unique geographical advantages and sound policy and economic guidance in 11 provinces and cities along the river basin.First and foremost,taking the integration of cultural and tourism industries,optimization and upgrading of the tourism industry structure as the object,what’s more,the domestic and foreign related literatures are sorted and analyzed through the aspects of power,path and efficiency,and the innovation of this research is reported as well.Secondly,the paper analyzes the current situation of the integration of cultural and tourism industry in the Yangtze river economic zone by the level of coupling coordination value of combination and the tourism industry structure elevation index.Thirdly,the paper exploring by constructing panel econometric model to analyze the influence of cultural and tourism integration on the upgrading of tourism industry structure is carried out with the panel data of the Yangtze river economic zone through the empirical regression analysis,furthermore,a mediating effect model is built to study the degree of mediating effect of technological innovation and marketization.Last but not least,this paper summarizes the research conclusions,lists the relevant policy recommendations,and expounds the future research prospects,which are quite indispensable at the end of the study.The key conclusions,which has already been through mechanism analysis and empirical test,are as follows: firstly,the integration of cultural and tourism industry in the Yangtze river basin has a significant positive effect on the structure of tourism industry,which can effectively promote the optimization and upgrading of the tourism industry structure as well under the background of national policy.Secondly,The positive correlation between culture and tourism industry has a significant mediating influence path of technological innovation,moreover,the guidance of which innovation is quite strive and possesses a complete mediating effect.Thirdly,The positive correlation between cultural and tourism industry has a remarkable market-mediated impact path,compared to the technological innovation,which is slightly less severe and possesses a partial mediated effect. |