With the development of social economy，telecom and internet fraud has evolved criminal means. Based on the characteristics of regional crime subject and diversified criminal ways，public security organs are faced with new challenges in the investigation of telecom and Internet fraud cases，such as difficulties in obtaining solid evidence and recovering and controlling stolen goods. In order to better promote new crime，the public security organs should be synthetic operational concept applied in the telecom network fraud against management work，so can realize independent early warning，proactive，effectively make up for the shortage of the traditional detection method，precision to prevent and combat fraud crime，the telecom network can better improve and innovate policing mechanism carried.