To put goods on the shelves in Doudian, you need to perform the following steps:

1. Register a Doudian account and log in.

2. Enter the store management page and click "Product Management"-"Product List".

3. Click "New Products" and enter product information, including product title, price, inventory, description and other information.

4. Upload product pictures. It is recommended to use clear and high-quality pictures to increase the attractiveness of the product.

5. Set product categories and select appropriate categories based on the type, purpose and other attributes of the product.

6. Determine the freight rules and after-sales service policy of the product to ensure smooth sales of the product.

7. Click Submit to put the product on the shelves, and the product will appear in the store, waiting for customers to buy.

It should be noted that listing products on Doudian requires following the platform's rules and standards, such as product descriptions must be clear and concise, no illegal content is allowed; prices must be reasonable and the actual product must match the picture, etc. Be sure to comply with relevant laws and regulations and platform regulations, and provide good after-sales service for the products.