Type A Egg Breeding can obtain more rearing area and improve laying rate. Automatic egg conveying system, can improve the cleaning rate of eggs; The automatic drinking water system can ensure that the water pressure in the nipple is equal and ensure the drinking water of laying hens. The design of lengthening the edge of feed trough reduces the waste of feed and improves the effective conversion rate of feed. The combined use of feces cleaning belt can ensure the cleanliness of the cage system, reduce the breeding of bacteria, and reduce the disease rate and mortality of laying hens.