Mechanical and electrical transportation system was an important part of underground coal production, which had a wide range and high demands to technician. With the development of production and increasing input of coal transportation equipment, problems of complex operation system structure, many hidden dangers and hard maintenance existed. Based on characteristics of this system, all mine equipment network constructed by complex network analysis method was put forward, together with strengthening the supervision and administration of enterprises, improving quality of work force, which guaranteed a safe and reliable system and high efficient operation.