In the twelfth century, people added eggs to Easter festivals. The eggs were mostly painted in red, and some were painted in colors and smiling faces. Therefore, they are generally called "Easter eggs" (also generally called Easter eggs). The original symbolic meaning of the egg is "spring-the beginning of new life". Christians are used to symbolize "Jesus resurrected and walked out of the stone tomb." Easter eggs are the most important food symbol in Easter, meaning the beginning and continuation of life. Nowadays, there are many kinds of eggs in different patterns and forms, such as hollow egg sculptures, which can generally be classified as eggs in a broad sense.