1. Break the back and remove the shrimp line: clean the crayfish, put it in the freezer for quick freezing for a period of time, freeze the crayfish completely, and then remove the middle fin of the crayfish tail. Then carefully grab the crayfish head, arch the back of the crayfish toward the outside of the palm, then use sharp scissors to cut the back of the crayfish and pick out the shrimp lines.

2. Cut off the head and remove the shrimp line: After cleaning the crayfish, freeze it quickly, remove the middle fin of the tail, and then use scissors to carefully protrude the head and chest of the crayfish. Cut the shell open, pull it out with force, and pull out the stomach pouch and the like. You can also pull out all the shrimp threads.