The decoration of an Alibaba store can be completed through the following steps:

1. Log in to Alibaba: First, you need to log in to your Alibaba account and enter your store backend.

2. Enter the store decoration: On the store backend page, click the "store decoration" button to enter the store decoration page.

3. Select a store template: On the store decoration page, you can choose a store template provided by Alibaba, or design your own store decoration. After selecting a store template, you can customize the settings, including changing the background, adjusting the layout, adding products, etc.

4. Set store information: On the store decoration page, you need to set the basic information of the store, including the store name, store announcement, contact information, etc. At the same time, you can also upload the store logo and store promotional pictures.

5. Add products: On the store decoration page, you can add your own products, including uploading product pictures, adding product descriptions, setting product prices, etc. After adding products, you can choose to display them on the store homepage.

6. Publish the store: After the store decoration is completed, click the "Save and Publish" button to save and publish the store decoration settings on the Alibaba platform. At this time, other users can visit your store.

It should be noted that the decoration of Alibaba stores must comply with Alibaba's relevant regulations and requirements, such as not publishing false information and not violating laws and regulations. At the same time, the design of store decoration must comply with the user experience principle to improve the usability and attractiveness of the store.