Eating jiaozi on the first day of junior high school means "happy reunion" and "good luck". "jiaozi" is homophonic for "Jiaozi", which means to say goodbye to the old and welcome the new. Jiaozi looks like an ingot, with the meaning of rolling financial resources, which means auspiciousness; Dumpling skin is round, which means reunion. When a family gets together to eat jiaozi, it means happiness and family reunion. Jiaozi is essential for northerners' New Year's Eve dinner. Mainly in most areas of China, mainly in the north, including jiaozi and eating jiaozi has become an important activity for most families to celebrate New Year's Eve. As the saying goes: "It's cold and mild, eat jiaozi for the New Year." Chinese New Year is the most grand festival in China. In order to live a good year, the old farmers began to be busy with the New Year as soon as they entered the threshold of the twelfth lunar month. From the 23rd day of the twelfth lunar month, commonly known as "off-year", the countdown to the New Year begins, with lanterns, couplets, cleaning the courtyard, and preparing to welcome distant relatives and have a reunion year. In the north, on New Year's Eve, the most important activity is for the whole family to buy jiaozi together.