The utility model relates to a quick-disassembly support for supporting a defilade net. The quick-disassembly support is characterized in that an insertion pipe which is perpendicular to a bottom plate is fixedly arranged on the bottom plate of a U-shaped base clamp body, a deformer strut can be connected with the U-shaped base clamp body by the insertion pipe, a U-shaped clamp groove with a downward opening is formed in a side plate of the U-shaped base clamp body, a sleeve which is perpendicular to the bottom plate is arranged on the outer wall of another side plate of the U-shaped base clamp body, a rotary shaft is penetratingly arranged in the sleeve, a stopper which is used for preventing the rotary shaft from being released from the inside of the sleeve is arranged at the upper end of the rotary shaft, the lower end of the rotary shaft extends out of the sleeve, a hinge pin is penetratingly arranged at the extending end of the rotary shaft, one end of a fastening strip is connected with the hinge pin, a threaded rod is connected to the other end of the fastening strip, and a locking knob is fittingly arranged on the threaded rod. The quick-disassembly support for supporting the defilade net has the advantages that the quick-disassembly support is reasonable in structure, can be quickly assembled and disassembled and can reliably support the defilade net.