1, toothpick removal method: This is the most commonly used method to remove the shrimp line. Count down from the shrimp head, insert a toothpick in the third section, and then gently pick out the shrimp line. When picking the shrimp line, the force must be gentle. Many people often don't grasp the strength well, and it is easy to pick it off. Try it several times and be patient. 2, open back method: use kitchen scissors to cut the shell on the back of shrimp meat, and pull out the whole shrimp line. You can also operate with a knife, put the shrimp side on the chopping board, and carefully cut the back shell to pick out the shrimp line. 3, shelling method: this is the simplest and most rude method, suitable for making shrimp balls and the like, where meat stuffing or shrimps are needed, the shrimp shell is peeled off and the shrimp line on the shrimp back is removed. 4. Pinch the head method: bend the shrimp head downward, pinch the shrimp head, squeeze it hard, and the dirt inside the shrimp head will be squeezed out, and it will be connected with the shrimp line, and then gently pull out the shrimp line, so that the dirt in the shrimp head will be cleaned together with the shrimp line, which is very clean and without any tools. Or pinch off the shrimp head and pull it out together with the shrimp line.