Green shell laying hens are named after laying green shell eggs. (there are still hemp colors. Their characteristics are five blacks and one green, that is, black hair, black skin, black meat, black bones and black internal organs. What's even more strange is that their eggs are green, which combines natural black food and green food, making them the best rare birds in the world. This kind of chicken has strong disease resistance, wide adaptability, likes to eat grass and leaves, and its feeding management, epidemic prevention and disease removal are no different from ordinary domestic chickens. Green shell laying hens are small, compact, agile, symmetrical, early in sexual maturity and high in egg production. Adult cock weight 1.5- 1.8kg, hen weight 1. 1- 1.4kg, laying eggs 160- 180 a year. The ability of resisting environmental change of this kind of chicken is obviously higher than that of ordinary domestic chicken, and it can be cultivated in both north and south. CCTV, Xinhua News Agency, Farmers Daily and many other media have made special reports and made a lot of publicity.