To construct a slope face protection frame for protecting a slope of latticed mortar or concrete having a proper interval by a simple and easy process, optional in the height and a width from the ground surface, and having a definite shape.

In this slope protection frame of the slope, reinforcements 2 are arranged at a prescribed interval by an anchor 4 erected at a desired interval on the slope 5 or a reinforcement holding fixture 9 installed on this anchor 4, a long size net-like or grating-like raw material holder 3 by bending an end surface in an almost semicircular shape, an almost trapezoidal shape or a U shape is put on in the lengthwise direction of these reinforcements 2, and the mortar or the concrete is sprayed and hardened from above this raw material holder 3.