Abstract: To comprehensively promote rural revitalization, it is necessary to develop rural characteristic industries and broaden the channels for farmers to increase their income. Based on the dual reality of rich tourism resources and backward development, the tourism industry known as “happy industry” has become the pillar industry of many traditional villages of ethnic minorities. The residents of the traditional villages of ethnic minorities are the main participants in the tourism industry of ethnic minority villages, and the two-way promotion between the improvement of their happiness and the sustainable development of tourism. In order to further explore the relationship between the tourism development of several ethnic villages and the subjective well-being of residents in traditional ethnic villages, this paper takes Tengchong Simola Wa village as a case study, and constructs an empirical study on the influence of subjective well-being based on residents’ tourism perception.he study found that : (1) The tourism perception of the local Wa residents in Simola mainly includes six dimensions of positive and negative effects of economy, culture and environment. (2) In particular, the positive effects of tourism economy and the positive effects of environment have a significant effect on the improvement of subjective well-being, while the negative effects of culture have a significant negative impact on subjective well-being. Based on the above research results and the reality of local development, three suggestions are given to promote the sustainable development of local tourism and enhance the well-being of residents : ( 1 ) Enrich residents’ participation in tourism, deepen residents’ participation in tourism, and lay a solid foundation for residents’ happiness. (2) Enhance cultural identity, regulate civilized behavior, and build a harmonious environment for tourism development. (3) Promote infrastructure upgrading, strengthen ecological conservation, and take the road of green tourism.