The invention discloses a quick wiring buckle for a low-voltage wire. The quick wiring buckle for the low-voltage wire is reasonable in structure and convenient to use. According to the technical scheme, the quick wiring buckle for the low-voltage wire comprises an insulation outer shell. A metal pressing plate is arranged inside the insulation outer shell. A threaded hole is formed in the upper portion of the metal pressing plate. The metal pressing plate is fixedly connected with a bolt assembled inside the threaded hole. A wire laying groove is formed in the lower portion of the metal pressing plate. The quick wiring buckle for the low-voltage wire is reasonable in structure, good in using effect and capable of rapidly and efficiently completing wiring of the low-voltage wire.