In recent years, with the improvement of people's living standards, my country's tourism economy has also grown rapidly. This article uses time series statistical data from 1995 to 2016 and uses econometric analysis methods to establish a model of influencing factors of my country's domestic tourism economy. During the modeling process, issues such as multicollinearity, autocorrelation, heteroscedasticity, and distribution lag model were dealt with. According to the test of explanatory variables such as the number of tourists, passenger turnover, employment rate, GDP per capita, and household consumption expenditure, the model shows , The number of domestic tourists is the main factor affecting my country's tourism economy.