1. Shanghai: Shanghai is one of the most popular food cities in China, with a rich and diverse food culture, including local specialty snacks, seafood, hot pot, Cantonese cuisine, etc.

2. Chengdu: Chengdu is a famous gourmet city in China, mainly Sichuan cuisine, and there are many specialty snacks, such as hot pot, skewers, rabbit heads, grilled fish, etc.

3. Beijing: Beijing has a rich traditional food culture, such as roast duck, hotpot mutton, noodles with soybean paste, etc., as well as many modern food options.

4. Guangzhou: Guangzhou is the gourmet capital of southern China, mainly Cantonese cuisine, and there are many specialty snacks, such as rice rolls, clay pot rice, etc.

5. Hangzhou: Hangzhou has a unique food culture, mainly Zhejiang cuisine, and there are many famous snacks, such as West Lake vinegar fish, Longjing shrimp, etc.