Abstract:With the development of economy,the transmission and distribution project is gradually increasing,but because of the characteristic of transmission and distribution project,it is very important to improve the safety management level of it. Based on this,this paper puts forward a kind of analysis method based on social network analysis. Firstly,Constructing evaluation indicator according to department staff which belong to the project and conducting a questionnaire survey;Secondly,Doing the verification and selection of data and using the social network analysis software UCINET to construct the model about the project,then analyzing the network density、clique 、center degree of the 220 kV Ann River transmission and distribution project;Finally,The feasibility of this model is verified by an example,and the strategies and suggestions for improving the safety management level of the transmission and distribution project are obtained.