As an Amazon beginner, you need to know the following basic knowledge:

First, register an Amazon seller account and understand the features and tools of the Seller Center.

Second, learn how to create and manage product listings, including writing attractive product descriptions and setting reasonable prices.

In addition, learn about Amazon's search engine optimization (SEO) techniques to improve the ranking of products in search results.

Also learn how to handle orders and logistics, including choosing the right delivery method and handling returns.

Finally, learn about Amazon's advertising and promotional tools to increase product exposure and sales. Through continuous learning and optimization, you can build a successful seller business on Amazon.