The utility model discloses a high -efficient assembled safety barrier for facing frontier defense is protected, include that it is a plurality of square pole settings to face the limit range along the high altitude, it is adjacent be provided with the horizontal pole between the pole setting, every the bottom surface of pole setting is provided with opens the backing plate that has the bolt hole,the backing plate passes through screw bolt and nut and pre -buried bench -type spiral shell female coupling tap body fixed connection in the building subject structure, the bench -type spiral shellfemale coupling tap body is through fixing the structural car silk steel reinforcing rod of building subject fixes in the building subject structure. The utility model discloses construction process is simple, it is convenient to install and remove, generally only needs 2~3 people alright ann tear the completion open, can repeat, cyclic utilization, has sufficient rigidity and intensity, and stability is good, effectively avoid the instability factor of facing limit safety protection, ensured the construction progress, practiced thrift construction cost to a certain extent.