Based on the related knowledge of Technology Acceptance Model (Tam) and expectation confirmation theory (ECT) , this paper analyzes the factors that affect the users'willingness to continue using of travel APP, then, according to the previous research results, considering the characteristics of domestic tourism APP users, four variables were selected as user experience dimensions: USABILITY, ease of use, security and APP cost-effectiveness ratio, in order to verify the factors that affect the users'intention to continue using, and with the user satisfaction as the intermediary, a research model suitable for this paper is constructed, and the corresponding hypothesis is put forward. The data were collected through questionnaires, and descriptive statistics analysis, reliability and validity analysis, correlation analysis and regression analysis were conducted, the results show that there is a positive linear relationship between user experience and user satisfaction, as well as user intention to continue using the travel APP: