Rural tourism plays a crucial role in promoting rural revitalization and offers excellent opportunities for high-quality development. This study presents a coupling coordination model with Hunan Province as a case study. The model utilizes IAHP (Improved Analytic Hierarchy Process) and trophy-weighted TOPSIS (Technique for Order Preference by Similarity to Solution) to evaluate the dynamic evolution process of the coupling coordination between rural tourism and rural revitalization from 2010 to 2019. Additionally, it explores the dominant factors and driving mechanisms that impact the coupling of this system. The results demonstrate that the rural tourism and rural revitalization indices in Hunan Province increased significantly from 2010 to 2019, whereas the relative priority of tourism gradually declined. The degree of coupling between rural tourism and rural revitalization increased from 0.3 to 0.96 and progressed through three stages: low-level coupling, adjustment, and high-level coupling. The degree of coupling coordination has increased from 0.22 to 0.89. This increase can be divided into four stages: moderately imbalanced with a dual-low index, a transitional stage with a lower index, initial coordination with a moderate index, and relatively good coordination prioritizing revitalization. The relationship between rural tourism and rural revitalization is affected by factors, such as local general public budget revenue, rural tourism satisfaction, road network density, agricultural production conditions, the processing rate of agricultural products, and the Engel coefficient of rural residents. Effective approaches to improve coupling coordination include strengthening financial support, optimizing service facilities, and promoting industrial integration.