In spite of the satisfaction on the recreation resource, the revisiting intention of tourists is emphasized during the development of rural tourism. The study tried to clarify the critical success factor of rural tourism development through a case study of satisfaction and behavioral intention based on the tourism and recreation system. The result shows that the critical success factor of rural tourism development in Wulai hot spring areas consists of natural scene, well-knownness, Taiwan indigenous cuisine, safety and sanitation of environment and the SPA experience. According to satisfactions survey of tourists, travel information, guiding tours, transport and diversity activities are need to be improved in order to attract tourists in Wulai hot spring areas. The results also verifies that tourist's satisfaction have positive influence on behavioral intention. The comments of this paper can be applied on the assessment of critical success factor in other areas besides Wulai.