First, log in to your AliExpress account and click the "Publish Product" button, then fill in detailed product information, including title, description, price, color, size, etc.

Upload your product pictures, make sure they are clear, attractive, and meet the requirements of AliExpress.

Next, select the appropriate categories and subcategories, add SKUs and inventory quantities.

Finally, preview your product information and publish the product. Note that the quality and description of the product need to be detailed and authentic to attract consumers' attention.