The eggshell of artificial egg is mainly formed by adding calcium carbonate and other raw materials into the mold; The production method of egg white is to add sodium alginate into water to form a solution, and then stir it continuously; The main component of egg yolk is also sodium alginate solution, which is made by adding pigments such as lemon yellow, putting it into a mold, and then putting it into calcium chloride solution for solidification. The production cost of artificial eggs is only about 25% of the selling price, so it is repeatedly banned. Found in Beijing, Shandong, Guangdong and other places. Artificial eggs not only have no nutritional value, but also lead to serious consequences such as memory loss and dementia if eaten for a long time. Artificial eggs are similar to real eggs in appearance, color and weight, but they have no fishy smell. After the artificial egg is cooked, the yolk will not be crushed and it is very elastic. Ordinary consumers can distinguish the authenticity of eggs by the following methods: artificial eggshells are brighter and real eggshells are rougher; Because water will overflow from the coagulant, there will be noise when shaking; No taste of real eggs; Fake eggs sound dull when knocking at the door; After opening, egg yolk and egg white will blend together; After poached eggs are beaten, the yolk and egg white will turn yellow in the pot.