First, soak.

After we buy the crayfish back, we must soak them first. Only by soaking this basic step first can it be more convenient to clean the crayfish later. The crayfish you buy back must be alive. At this time, you need to put the crayfish in a large basin, add water that can cover the crayfish, and put some salt, vinegar and cooking oil in it. This is to allow The crayfish speeds up its breathing, and when the crayfish breathes, some of the dirt inside will also be discharged. After you soak the crayfish for two hours, you can use a brush to clean the surface again, which will make it cleaner.

Second, remove the shrimp lines.

There is a shrimp line on the back of the crayfish. This line is the passage for crayfish to excrete. It contains a lot of feces. Moreover, crayfish grow in water, and crayfish feces contain There are a lot of dirty things, including parasites and even heavy metals, so this line must be removed. Many people don't know how to remove the shrimp thread. They always cut the shrimp thread when they do it. In fact, you only need to slightly pull the middle of the crayfish tail and then pull it out to completely pull out the shrimp thread without breaking it. in. If the shrimp threads are not removed, they will not only be dirty, but also smell very fishy.

Third, clean the shrimp heads.

Many people will remove the shrimp head directly when cooking crayfish, because the shrimp head is where the crayfish stores things, and it must be very dirty inside. Some people think that they cannot clean it well, so they remove the head. Remove the whole thing. In fact, the crayfish will lose its soul and it will not be particularly fragrant. You don't need to remove the entire head. You only need to cut off the crayfish above the eyes with scissors, then pick out the dirt inside, and wash it to make the crayfish very clean. And there are some yellow things under the head of the crayfish, which are very delicious and can be eaten.