1. If it is a live river shrimp, you can put some cooking oil or salt in the water. After soaking for half an hour, the river shrimp can spit out all the sediment and dirt.

2. After spitting out the sediment, it is necessary to clean the body surface of the river shrimp, just wash it by hand, and be sure to clean it several times, so that the basic cleaning work of the river shrimp can be completed.

3. Then clean up the residue in the shrimp stomach, clean up the shrimp rectum, cut off the head with scissors, and then squeeze out the residue in the stomach. When the shrimp is half cooked, the shell can be peeled off. At this time, the back muscles of shrimp are easy to turn up. Remove the rectum of shrimp and process it.