Conveniently-mounted invisible anti-theft net

The invention belongs to the technical field of security and protection facilities, and particularly relates to a conveniently-mounted invisible anti-theft net. The conveniently-mounted invisible anti-theft net comprises an upper frame body, a lower frame body and steel wires; upper mounting holes are formed in the top of the upper frame body, first gaps are formed in the bottom of the upper framebody, and a tensioning mechanism is mounted in the upper frame body; lower mounting holes are formed in the bottom of the lower frame body, lower threading holes and second gaps are formed in the topof the lower frame body, and the lower threading holes communicate with the second gaps; and the steel wires penetrate through the first gaps and the second gaps, the upper ends of the steel wires are connected with the tensioning mechanism, and the lower ends of the steel wires are connected with the lower frame body. The mounting process is simple and quick, in the using process, when one certain steel wire is broken or