2. Shrimp has a high nutritional value, and its whole body is a treasure. Shrimp brain contains essential amino acids, cephalin and other nutrients; Shrimp meat contains a lot of protein and carbohydrates; Shrimp skin contains many nutrients needed by human body, such as astaxanthin, calcium, phosphorus and potassium. Shrimp is a high-protein and low-fat aquatic product. Protein content is more than 40%, crude fat content is about 7%, and calcium content is 9%. In addition, it is rich in carotene, vitamins and eight essential amino acids.