Abstract: For the problem that existing remote information management system of construction organization cannot get information of construction field and constructor but only do management for administration and technique files, the paper introduced a location system for safety management of construction field, analyzed application advantages of RFID locating technology in the system, and mainly introduced structure design scheme and main equipments of the system. The system can realize efficient management of constructor, equipment, vehicle and materials, and also can be used for rescue of accident field.