Shrimp skin is a kind of food, which is mainly made of shrimp. The content of iron, calcium and phosphorus in shrimp skin is very rich. The content of calcium and phosphorus per100g of shrimp skin is 99 1 mg and 582mg, and the content of protein per100g of shrimp skin is 39.3g.. Shrimp is the largest shrimp resource in China, and the common shrimp are China shrimp and Japanese shrimp. The former is mainly distributed in the Yellow Sea and Bohai Sea, while the latter is more common in the East China Sea. They are very similar. If you don't observe them carefully, you will think they are the same kind of shrimp. Shrimp is small, generally only 3 cm, so it is not noticed. However, the shrimp skin processed with it is one of the important seafood exported by China to earn foreign exchange.