The camera focuses on the food of the night market, and embodies the character of each city in the night incisively and vividly, truly records the picture of night market life in Chinese cities, and explores the local midnight snack culture. Starting from Shenyang, the "city of iron and steel", it is based on food index, walking in eight major cities, namely, Shenyang, Guangzhou, Xi'an, Chongqing, Hangzhou, Nanning, Wuhan, Xiamen and completes the exploration of Chinese midnight snack food.