Evaluation of coupling coordination degree between tourism industry and cultural industry

China's cultural industry and tourism industry are growing stronger, have gradually reached a relatively mature stage, the interactive development of cultural industry and tourism industry has become an important way for the two industries to seek further upgrading. Based on the analysis of the coupling mechanism of the two big industries, by coupling coordination degree of the cultural industry and tourism industry in henan province as the research object, constructing evaluation index system, cultural industry and tourism industry by using the coupling model and coupling coordination model, an analysis of data collected nearly nine years trends, research of henan cultural industry, and coordinating the relationship between the development level of tourism industry. The results are as follows: Since 2017, the development speed of tourism industry in Henan province has significantly increased, and the cultural industry has lagged behind the development of tourism industry. During the past 9 years, the coupling coordination degree of cultural and tourism industry has developed from near maladjustment to good coordination, and the synergistic effect of development has increased gradually.