Protective net for engineering

The utility model relates to the field of engineering protection. The utility model relates to a protective net for engineering. The warning device comprises a mounting frame, a protective net and a warning plate, the warning plate is vertically placed on the ground. Inclined rods are fixedly arranged on the front side wall and the rear side wall of the warning plate correspondingly. The end partof the inclined rod is propped against the ground; the protective net is fixedly arranged in the mounting frame; the mounting frame is vertically placed on the warning plate; an inserting rod is fixedly arranged on the side wall of the lower side of the mounting frame, a fixing block is fixedly arranged on the side wall of the upper side of the warning plate, an inserting groove allowing the inserting rod to be vertically inserted is formed in the fixing block, the inserting rod is movably inserted into the inserting groove, and a fixing assembly used for fixing the inserting rod is arranged on the warning plate. The