1, raw shrimps are removed: after the crayfish are dried and washed, the head and chest of the crayfish are directly cut off with scissors, and the stomach sac is removed; Then, hold the tail fin in the middle of the crayfish tail by hand, twist it back and forth by twisting it left and right until the stomach wing is broken, and then slowly pull out the tail fin, so that the whole shrimp line inside comes out completely.

2. Break the back and remove the shrimp line: clean the crayfish, put it in the freezer for a period of time, then completely freeze the crayfish, then remove the middle tail of the crayfish, then carefully grasp the head of the crayfish, arch the back of the crayfish out of the palm of your hand, then cut the crayfish back with sharp scissors and pick out the shrimp line.

3. Cut the head to remove the shrimp line: After cleaning the crayfish, freeze it quickly, remove the tail in the middle, and then carefully cut off the shell protruding from the head and chest of the crayfish with scissors, forcibly pick it out, pull out the stomach sac and the like, or pull out the shrimp line.

4. Stripping the shrimp line alive: Stripping the shrimp line alive is also the most commonly used way to remove the shrimp line. The method is very simple. Usually, after cleaning the crayfish, boil a pot of water, then put the crayfish in it and scald it for 1-2 minutes. After the shell of the crayfish is cooked, take it out and cool it, remove the tail fin in the middle of the tail, and forcibly break off the head, so that the shrimp line can be removed together.