2. Pour a proper amount of white vinegar and a small cup of white vinegar and soak for two or three hours;
3. At this time, you will find that the water soaked in crayfish is very dirty;
4. Rinse with water again;
5. Pinch the head with your fingers, turn the crayfish over, and carefully brush the abdomen, head and other key parts of the crayfish with a toothbrush under running water;
6. Finally, turn the middle of the shrimp tail over and pull it down. Hold the tail nail in the middle of the tail by hand and twist it left and right until it breaks, so that the shrimp line can be easily pulled out; Pull out the twisted tail nail, and then slowly pull it out, so that the intestines of the shrimp will follow;
7. Some friends don't want to eat shrimp heads, and the black part inside can also be removed. Subtract a third of the crayfish head with scissors. Don't cut too much. Cutting too much will remove the yellow paste from your head. Yellow paste is a good thing, don't waste it;
8. Dig out the black sac inside the shrimp stomach and head with scissors tips;
9. Wash the head of crayfish gently with running water to remove dirt, and be careful not to wash off the yellow paste;
10, well, a whole crayfish is washed and ready to go to the kitchen.