High and steep slope forestry water and soil conservation device

The utility model belongs to the technical field of water and soil conservation, and particularly relates to a high steep slope forestry water and soil conservation device which comprises a coaming, atransverse baffle, a vertical baffle, a coaming and a transverse baffle are fixedly connected to the inner side of the coaming, a net pad is fixedly installed at the bottom of the vertical baffle, and the upper side of the net pad is covered with a coarse gravel layer, a fine gravel layer, a ceramsite layer and a filter screen. Plant layers are planted on the filter screen, the soil layer, the steel wire mesh and the soil layer, limiting rods are movably installed on the outer side of the coaming through a right fixing plate, a left fixing plate, a lower fixing plate and an upper fixing plate, the top face and the bottom face of the coaming are fixedly connected with drain holes, the drain holes are movably connected with hoses, and drain pipes are arranged in the coaming and the transverse baffle and connected w