There is no car in hanshan county. This is because small noodles are a kind of special food with noodles as the main material, which is usually served in restaurants or food stalls. Chuzu refers to selling food in a car, usually a mobile snack vendor. In this place of hanshan county, it is not common to leave your ancestors by car, which may be because the local catering culture and consumption habits don't like to buy snacks in the car. On the contrary, there may be more fixed food stalls or restaurants serving noodles in hanshan county. This situation also reflects the differences in food culture and market demand in different regions. The expanded content can further introduce hanshan county's special cuisine, catering culture or other local popular snacks.