1, hold the head of the crayfish by hand, and cut off the left and right pliers of the crayfish first, which is edible.
2. Cut off the crayfish with double pliers and soak them in clear water for a few minutes.
3. Hold the head of the crayfish by hand and brush the abdomen with a brush.
4. Hold the tail nail in the middle of the tail by hand until it is broken.
5, pull the twisted tail nail, and then slowly pull it out, so that the intestines of the shrimp will follow.
6. Use scissors to subtract one-third of the crayfish head, and don't cut too much.
7. Dig out the black cystic object in the head with the tip of scissors-shrimp stomach.
8. Gently rinse the head of crayfish with running water to get rid of dirty things.