Shrimp shell powder, rich in chitin, protein, choline, lecithin, cholesterol, astaxanthin, astaxanthin and phosphorus, calcium, iron, manganese, zinc, copper and many other useful elements. It can be said to be of a high value and has a very good feeding value when it is used in aquaculture feed. It can improve the palatability of feed, is the most appropriate and most commonly used attractant agents and coloring agents in aquatic feed. Adding 5% of our products in fish feed can create a good attractant to eat, an increase of capability of animal anti- disease and promote the animals'growth and improve the quality of shrimp.