With rapid changes in the IT industry, the perception of online education as an auxiliary means of offline education has also changed. Online education is becoming an alternative to offline education, and online education sites are becoming more diverse and specialized. Together with such socioeconomic changes and the rapid growth of the IT industry, online education is also growing and spreading. The role of online education should be emphasized since it can help provide everyone with an equal opportunity for education. This study surveyed users of online education services. Based on previous studies, a research model on the effect of education environment and service quality of education effects and attachment in online education was developed. Basic education facilities represent education environment and content, communication, and class satisfaction represent education service quality. The results of this study can be summarized as follows. First, basic education facilities had a significant effect on education effectiveness. Second, education environment significantly affected education effectiveness. Third, content quality had no significant impact on education effectiveness. Fourth, communication did not significantly affect education effectiveness. Fifth, class satisfaction significantly affected education effects effectiveness. Sixth, education effectiveness had a significant effect on education attachment.