E-commerce in China has maintained a rapid development and brought a series of problems. This makes effective regulation become more important. Exploring scientific and efficient evaluation system of integrity trade is an effective measure for the supervision field of e-commerce integrity trade and for the government public service, and it can also promote the establishment and perfection of the relevant policies, regulations and standard systems. Based on the comparative study of the foreign integrity system models and after combining the current situation of the present domestic e-commerce integrity system and analyzing the Logit models, the design of the e-commerce integrity evaluation system which conforms to the characteristics of the e-commerce trade environment in our country was proposed in this paper. It is a great breakthrough for e-commerce supervision which is in initial stage. Value of Logit model has been proven in the area of credit rating for commercial banks. It evaluates the creditworthiness of e-commerce buy using simultaneously quantitative indicators and qualitative indicators, so as to establish a comprehensive evaluation system.