Slope protection net with gravel collection and drainage functions and protection method

The invention discloses a side slope protection net with broken stone collection and drainage functions and a protection method, and belongs to the field of side slope engineering technical equipment, and the side slope protection net comprises a side slope protection net body and an elastic protection net body at the bottom of a side slope. The slope protection net comprises a slope protection net body and a broken stone collecting device, the slope protection net body is composed of a plurality of small protection net bodies, a steel wire net formed by weaving a plurality of steel wire ropes is arranged in each small protection net body, two steel wires are arranged on the outer portion of each small protection net body in a crossed mode, and the middle of each small protection net body is fixed through a steel wire rope buckle. According to the slope gravel collecting device, water and gravel can be effectively discharged, when the protective net part is damaged, the damaged small protective net can be det