With the development of smart phones and mobile networks, the penetration rate of smart phones is getting higher. The behaviors of using internet will be shifted from desktop PCs to smart phones and other mobile devices. However, most e-commerce firms haven』t yet built mobile commerce platforms that are suitable for mobile devices. The purpose of this study is to track and to analyze user behaviors through online analysis tools and cloud database by analyzing a mobile commerce case in Taiwan. And it』ll sum up conclusions and recommendations for e-commerce dealers to develop mobile commerce.