The business scope of the steamed bread shop can include the following aspects:

1. Making and selling steamed bread, steamed buns, jiaozi, noodles and other pasta.

2. Make and sell snacks such as cakes and drinks.

3. Provide catering services, such as in-class meals and take-out.

4. sell steamed bread, side dishes and other foods produced by yourself, such as steamed dumplings, meat buns and glutinous rice.

5. Provide leisure and entertainment services, such as buffet and karaoke, to bring better dining experience to customers.

6. Buy or sell related food, tableware and other commodities, and provide related delivery services.

to sum up, the business scope of steamed bread shops can be adjusted and expanded according to their own needs and the needs of target customers, but attention should be paid to ensuring that the business is legal and compliant, in line with relevant hygiene standards and food safety requirements.