2. Go out to pay a New Year call after dinner, from near to far, from noon to after the lights are lit. Accordingly, Tanglao Pill is similar to jiaozi, boiled and steamed. The word trough appeared in food in Song Dynasty. Jiaozi was called "flat food" in Yuan Dynasty, probably from Mongolian.

3. jiaozi in Ming Dynasty, as Zheng Zitong said, was called jiaozi bait, vermicelli, dumplings and steamed noodles dumplings. In addition, there are names such as water snacks. In the Qing Dynasty, the Beijing flag bearer also called jiaozi "Cooking Cakes". Eating jiaozi on New Year's Day was popular in northern Ming and Qing dynasties.