1. Prepare seal and inkpad: You need to prepare a seal and corresponding inkpad. Seals can be purchased at seal shops or online, and inkpad can be purchased at office supplies stores.

2. Design a receipt template: you need to design a receipt template, including restaurant name, address, telephone number, order number, dish name, quantity, unit price, total price and other information.

3. Leave a stamp on the receipt template: When designing the receipt template, you need to leave a stamp. The position of the seal can be marked on the template, such as under the order number or at the bottom of the receipt.

4. Print the receipt: print out the designed receipt template.

5. Stamping: On the printed receipt, after the stamp is stained with inkpad, it can be stamped according to the marked position.

6. Finish: After stamping, you can give the receipt to the guest or leave it in the restaurant for record. It should be noted that before stamping, please ensure that the quality of the seal and inkpad is good, so as not to affect the stamping effect. At the same time, the location of the seal should be clear and clear, which is convenient for guests to check and identify.