High-altitude protection device for building construction

The utility model discloses a high-altitude protection device for building construction. The device comprises a transversely arranged mounting plate, the lower end of the mounting plate is fixedly connected with two groups of supporting rods which are symmetrically arranged; a connecting plate is arranged at the upper end of the mounting plate; the upper end of the connecting plate is fixedly connected with two inclined plates which are symmetrically arranged; the two inclined plates are arranged in an inverted splayed shape, two sets of connecting rings are fixedly connected to the upper endsof the two inclined plates, a net bag is connected between the two sets of connecting rings, a vertically-arranged connecting rod is fixedly connected to the lower end of the connecting plate, and aconnecting groove matched with the connecting rod is formed in the upper end of the mounting plate. The safety protection device is easy to operate and convenient to use, falling objects are bufferedand connected in a bag mode