if the main restaurant is renamed, but the branch is not renamed, it may lead to some confusion and confusion. In this case, the following methods may be helpful:

1. Gradually rename: consider gradually keeping the name of the branch consistent with that of the head office. This can avoid sudden changes and give consumers some time to adapt to and know the new brand name.

2. Announcement and notification: Ensure timely announcement and notification to consumers, and clearly explain the reasons for the name change of the head office and related information. You can set up billboards in the branch, update the menu, print new business cards and other ways to inform consumers.

3. consider the market impact: the catering industry needs to consider the market impact and customer awareness. If the brand of the branch is well-known and the relationship with the head office is not very close, it may take more time and strategy to change its name.

4. deal with existing materials and logos: the materials and logos of branch stores may need to be updated and replaced accordingly. This includes menus, desktop signs, tableware, paper towels, etc. Ensure that the new name is correctly presented on any material that comes into contact with customers.

5. communicate with customers: it is important to communicate with customers, explain the reasons and changes of the name change, and the company's understanding and support for the inconvenience. This can increase customers' understanding and acceptance.

it should be noted that the specific handling method may vary according to the specific situation. Merchants can make corresponding plans and strategies according to their actual situation to deal with the problem that the main restaurant is renamed but the branch is not renamed.