This study focuses on the authenticity of electronic data in the case of telecommunication network fraud, and analyzes the difficulties in determining the authenticity of electronic data based on the current situation that some judges "do not accept or recognize" the authenticity of electronic data in judicial practice. Reasons, sorted out the Internet era of electronic data authenticity proof view. This paper tries to summarize the behavior model of "brush single" based on the characteristics of "brush single" cases, and through the cross-analysis of the characteristics and behavior model of such cases, summarizes the authenticity of "brush single" cases. Through the cross-analysis of the characteristics and behavior model, we can summarize the reference basis of authenticity in the case of "swipe", and provide a reference idea for the determination of the authenticity of the electronic data in the case under the view of authenticity proof in the Internet era.