Emerging from the clearly depicted pie chart is the distribution of focusing factors of citizens in a city when choosing a restaurant in 2017, consisting of 4 parts, which are features, service, environment, price and other factors. Among them, the proportion of service, environment, price and other factors is 26.8%, 23.8%, 8.4% and 4.7% respectively. By contrast, the factor of focusing on features of the restaurant is in the lead, accounting for 36.3%.