Abstract: With the increasing speed of Chinese railways and the increasing density of trains, the safety problem of track construction is becoming more and more serious. In view of the particularity of railway construction, starting from the on-the-spot demand, through the process reengineering of construction operation safety, adopting the strategy of "fault oriented safety", the construction safety protection system was constructed based on locomotive on-line operation location information and construction personnel location information. The system effectively reduced the safety risk of construction work and improved the standardization level of construction work.