Nowadays, with the popularity of the Internet, more and more people shop online. However, the convenience of online shopping have caused many problems. The first priority is to strengthen e-commerce system. Therefore, the purpose of this paper is to discuss the important factors that affect college students' satisfaction and reuse intention on online shopping, from the perspective of key events and social impacts. This research is done by conducting questionnaire survey. Data collection was carried out on students in a college in central Taiwan. Research method of this study is to use the structural equation modeling analysis to evaluate the theoretical model and test research hypotheses. This study finds that the most important factor affecting reuse intention of online shopping is satisfaction, and the most critical factors affecting satisfaction are subjective norms. About critical incidents, customer service has the greatest impact on satisfaction. In addition, studies have shown that the proposed research model has a 92% explanatory power for the reuse intention of online shopping.