3.1.3 Prevention of hidden safety hazards In order to further improve the safety of civil engineering construction site and reduce the probability of each safety hidden danger outbreak, it is necessary to carry out the safety hidden danger prevention work before the formal construction, that is, the installation of safety facilities, the training of personnel safety consciousness, and so on. 1. Installation of safety facilities: combined with the results of safety grade assessment and safety hidden danger analysis, the corresponding safety measures can be installed in the location of safety hidden danger;2. personnel safety awareness training: because the efficacy of many safety measures must be based on the conditions of good safety awareness of personnel in order to fully play, so safety awareness training should be carried out. The technique can make the personnel realize the significant threat of the hidden danger in the virtual environment, and make it form a good safety consciousness. 3.2 Points for attention Attention should be paid to two major issues in safety management, namely, the application of phased management mode and the application of mandatory management measures. 3.2.1 Application of Phased Management Model Because in the process of civil engineering construction, under the influence of construction disturbance and other factors, there may be some new safety hidden danger, according to the safety management mode before construction directly, the new safety hidden danger cannot be protected, so it is suggested that the engineering enterprise adopt the stage management mode to carry out the safety management. The stage management mode refers to dividing the project into several stages, taking the starting node of each stage as the dividing line, carrying on the safety hidden danger analysis, the safety grade evaluation and the safety hidden danger prevention when touching the starting point of each node, which can ensure the pertinence of the safety management and play the role of preventing the new safety hidden danger. 3.2.2 Application of mandatory management measures In view of the problem of artificial safety awareness, although this can be improved through training, but there is always instability, and therefore there is still a risk of self-security behavior, in this regard, it is necessary to adopt mandatory management measures to prevent such phenomena. There are many types of mandatory management measures, but the basic structure is: first of all, the establishment of supervision posts at the site entrance, all construction personnel must wear complete safety guard to enter the site, and secondly, if the construction needs to enter the dangerous environment, the construction must be carried out in the form of a small group. 4 Conclusion To sum up: construction site project management is a very important work, the work content is complex process needs to adopt different management methods according to different projects, such as: strengthen the management of construction site materials, strengthen the management of construction site quality, strengthen the safety management of construction site, and improve the comprehensive quality of construction personnel and management personnel, etc. It is believed that the efficiency and quality of the construction site project management will be improved in an all-round way to lay a solid foundation for the improvement of the overall economic and social benefits of the construction project.