Amazon commonly uses the following barcodes:

1.UPC barcode: This is a product barcode widely used in North America.

2.EAN barcode: It is widely used around the world.

Using the right barcode can help Amazon identify and manage products and ensure the accuracy and consistency of product information.

Here are some important points about Amazon's use of barcodes:

3.Accuracy: Ensure the accuracy of the barcode to avoid errors or damage.

4.Uniqueness: Each product should have a unique barcode.

5.Registration and verification: Perform appropriate registration and verification as needed.

6.Printing quality: High-quality barcode printing facilitates scanning and recognition.

7.Timely update: If the product information changes, the corresponding barcode should also be updated in a timely manner.

When preparing to sell products on Amazon, it is very important to understand and follow Amazon's barcoding requirements and guidelines.