The goal of this thesis is providing a decision to build an alert system for fictitious companies. In order to achieve the goal, we collect data and analyze data in a specific procedure which is made by a specialist. By visualizing the data, we can easily understand the meaning of the data. The sample of this thesis is a group of fictitious companies. As a result, we can totally present the relationship of every fictitious company in the group. There are fifteen features which is defined by a specialist. After analyzing the features, the consequence shows there are certainly some hints to explore the existence of the fictitious company. Besides the statistics analysis of features, there’s clustering analysis. Through the clustering analysis, some templates have been built.