If you want to eat the best shrimp, you must first learn to choose. First of all, you should choose the big one. Secondly, you should tell whether the cream of shrimp is full or not. The simple way is to turn your back on the light. If you can clearly see a pink or black trace running through the head and tail, it is the top grade. The method of cooking shrimp is quite ingenious: put the selected mother shrimp into a boiling water pot with 3% salt, the ratio of shrimp to water is 1: 50, and the water is boiled for 2 minutes, then take out the shrimp. Fire should be fierce when boiling water. It should be cooked, not cooked slowly for a long time, so the meat will age. Divide each pot once, and replace all the salt water every five pots. In this way, the delicacy and sweetness of shrimp valley seafood can be better preserved.