The night market is one of Taiwan's characteristic cultures. Nowadays, there are many studies related to the night market, but most of them start from the night market culture, food or development. Few studies are from the aesthetic point of view to explore the night market. This study is intended to explore the aesthetics of the night market. The experience of the five senses combined with the image of the night market is the night market aesthetics described in this study. This study is evaluated by the grey relational analysis in the grey system theory, and judges its advantages and disadvantages through the arrangement of the order. The study scores seven well-known night markets in the north, and adopt the customers who have consumed in the night market as the respondents. The total number of valid questionnaires was 121. The results showed that the night market presented different rankings on the aesthetics of the five different senses.Based on the research results, this study puts forward relevant suggestions and hopes to give the relevant government units and night market operators another way of thinking about business models, and then assist the night market related operators to construct intangible competitive advantages. In addition, academic research can also open up the research field of night market aesthetics.