1. Open the design software on your computer, such as Photoshop, Illustrator, etc.
2. Choose a suitable template or design the size and style of the business card yourself.
3. Add elements related to the Tomb-Sweeping Festival on the business card, such as traditional food and sacrificial supplies for the Tomb-Sweeping Festival, as well as add text content such as sacrificial texts and prayers for the Tomb-Sweeping Festival.