Say goodbye to the old and welcome the new. It is a traditional custom in China to observe the old age, which first appeared in China's The Book of Songs. The meaning of observing the old age is to say goodbye to the old and welcome the new. On the eve of the Lunar New Year, people step into the beginning of a new year and meet new hopes and opportunities in a lively and festive environment. In the process of celebrating the New Year, people often set off firecrackers and fireworks, symbolizing the farewell of the old year and the welcome of the new year. They hope that the misfortunes and difficulties of the past year will leave with the fireworks, and pray for good luck and happiness in the new year, get together with relatives and friends, and find a quiet and warm life in the busy life. At this time, people usually.