The long history has created the splendid culture of Dunhuang, and the Mogao Grottoes are a world-famous art treasure house. The Dunhuang dance was developed based on the dancing images of the frescoes in the Mogao Grottoes in Dunhuang. With the various choreography and interpretation techniques of contemporary dance, a new era of Dunhuang dance has been opened. The main purpose of this study is to explore the current situation of Dunhuang dance participants' leisure motivation, flow experience and leisure benefits, analyze the differences in Dunhuang dance participants' perceptions of leisure motivation, flow experience and leisure benefits due to different background variables, and further to explore the interaction among the three variables of Dunhuang dance participants' leisure motivation, flow experience and leisure benefit. The research object is mainly the participants of Dunhuang dance, and the survey method is carried out by means of questionnaire survey and convenience sampling, and the results of the survey are then subjected to statistical analysis. The empirical results of this study are listed as follows: 1. Dunhuang dance participants of different ages have significant differences in the two dimensions of leisure motivation, "achievement needs" and "social needs", and the dimension of leisure benefits "social benefit". 2. Dunhuang dance participants of different occupations have significant differences in their views on the dimension of "achievement needs" of leisure motivation. 3. Dunhuang dance participants with different educational levels have two aspects of leisure motivation: "physical and mental health needs" and "learning needs"; three aspects of flow experience: "challenge and technology", "affection" and "self-testimony"; There are significant differences in views on the three dimensions of leisure benefits: "physical benefits", "psychological benefits" and "social benefits". 4. Dunhuang dance participants of different Dunhuang dance experience have four aspects of leisure motivation: "achievement needs", "social needs", "physical and mental health needs" and "learning needs"; flow experience "challenge and technology", "" There are significant differences in views on the three dimensions of leisure benefits: "physical benefit", "psychological benefit" and "social benefit". 5. Dunhuang dance participants with different weekly Dunhuang dance hours have four aspects of leisure motivation: "achievement needs", "social needs", "physical and mental health needs" and "learning needs"; There are significant differences in views on the three dimensions of leisure benefits, including "physiological benefits", "psychological benefits" and "social benefits". 6. Leisure motivation has a significant positive impact on flow experience. It is established; among the leisure motivation variables, "achievement needs", "physical and mental health needs" and "learning needs" have a positive and significant i