1. Get a gift certificate: You may get a new guest gift certificate of Synbiotics when you buy Synbiotics products or participate in promotional activities. Gift coupons may be physical coupons or electronic coupons, depending on the coupons you get.

2. Precautions for reading: Read the usage rules and precautions on the gift certificate carefully to find out whether there are specific usage conditions, usage period and usage scope.

3. Choose the right channel: according to the type of gift certificate, choose the right channel to use. Usually it can be redeemed online in shopping malls, physical stores or Synbiotics official website.

4. Log in or register an account: If you trade through online channels, you may need to create or log in an account.

5. Enter the gift certificate code: on the redemption page or shopping cart page, find the option or input box to enter the gift certificate, and enter the code on the gift certificate into the corresponding position.

6. Verify the gift certificate: Click the "Verify" or "Confirm" button, and the system will automatically verify the validity and availability of the gift certificate.

7. Confirm the order: If the gift certificate is valid, the system will display the deduction amount or preferential information of the gift certificate. You can continue to complete the payment process of the order.

8. Complete the exchange: complete the payment or confirm the exchange process according to the instructions of the system. You will receive confirmation information about purchasing synbiotic products or using gift certificates.