The design method of business cards in the hometown of Shanxi cuisine is as follows:

1. First, take Shanxi cuisine as the theme, ensure that the design style of business cards is consistent with Shanxi cuisine culture, and choose colors related to Shanxi cuisine, such as red, yellow or dark brown.

2. Secondly, add images or icons of Shanxi specialty foods, such as Daoxiao Noodles, Zhajiang Noodles and Fenjiu. This can increase the visual appeal of business cards and highlight the characteristics of Shanxi cuisine.

3. Finally, make sure that the information is clear and readable, and don't over-decorate it to maintain a professional and concise image.