1. The quality of catering is unstable. In some restaurants and snack bars in Changchun, some dishes are sometimes good and sometimes bad, and the quality is not stable enough, which makes consumers have a bad experience when dining.

2. The number of restaurants is insufficient. Compared with some big cities, the number of catering brands in Changchun is limited, and there are certain restrictions on consumers' choices.

3. There is a lack of special catering. There are many kinds of catering in Changchun, but most restaurants and snack bars lack unique and local characteristics, personality and creativity, which makes it difficult to attract consumers.

4. Food safety hazards. Due to the poor management of some restaurants and snack bars, there may be certain risks in food safety hazards. Consumers need to pay attention to food hygiene and food safety issues.