This research is intended to explore the social network of opinion leaders for other factors affecting opinion leadership. In this study, with the use of information gather from literature readings, combing the relevant literature what is identified and researched, defining the relevant concepts and categories, a conceptual model is built. It presents a hypothesis based on the relationship between variables and conducts a comprehensive analysis of existing research design based on relevant variables measuring scale, screen scale title according to the reliability and validity testing, and then forms a questionnaire. Then the study selected a professional platform named “Wenjuanxing” for data collection questionnaire survey, the research result shows specialty, strength of ties between opinion leader and consumers and trust have significant influence on opinion leadership. More details of result analysis, implications and limitations are discussed on last section.