The night market appeared in the early Northern Song Dynasty. In the Northern Song Dynasty, the rulers explicitly allowed the night market in Tokyo (now Kaifeng City, Henan Province). At present, it refers to markets that mainly deal at night, such as selling groceries, snacks, games and so on. Night market is often an important tourist attraction in tropical and subtropical countries; In Chinese mainland, Taiwan Province, Hongkong and other places, it is one of the important representatives of civilian life culture. The most famous night markets are Kaifeng Gulou Sightseeing Night Market, Kaifeng Baogong Temple Xisi Night Market, Kaifeng Xueyuanmen Night Market, Nanjing Confucius Temple Night Market, Taiwan Province Shilin Sightseeing Night Market and Harbin Normal University Night Market.