The head seed is a mature but not yet discharged egg in shrimp ovary. Because the nutrition has not been absorbed by shrimp embryo, the head seed has higher nutritional value, more delicate and delicious taste, strong graininess and less fishy, and fresh and fragrant. In addition, the head seed is small and contains relatively low fat and cholesterol, which is more in line with the needs of modern people to pursue a healthy diet. The content of unsaturated fatty acids in the head seed is high, which is helpful to reduce the low density lipoprotein cholesterol in the blood and is beneficial to cardiovascular health. Abdominal seeds are fertilized eggs, which are relatively large, rough and slightly bitter. But there are also some people who like the unique taste and taste of belly seeds. Therefore, for people who like delicate taste and delicious taste, the first seed is more suitable for their taste; For those who like rough taste and slightly bitter taste, belly seeds may be more suitable for their taste. From the price point of view, head-seeded shrimp is usually more expensive than belly-seeded shrimp.