The study aims to understand and clarifity: the influence of Service Marketing Mix on Brand Image, the effect of Brand Image on Purchase Decisions, the influence of Service Marketing Mix on Purchase Decisions. The type of this research is explanatory research with quantitative method. The variables are Service Marketing Mix, Brand Image and Purchase Decisions. The population in this research is User of the tourism bus of PO. Anto Wijaya Tour Ponorogo. There sample used in this research was 116 people chosen with purposive sampling and data collection methode is questionneres, and analysis of data used descriptive analysis and path analysis. The results of path analysis shows that, Service Marketing Mix Variable have significant effect on Brand Image Variable, Brand Image Variable have significant effect on Purchase Decisions Variable and Service Marketing Mix Variable have significant effect on Purchase Decision Variable.