You can activate a mobile Taobao store by following the steps below:

1. Log in to the Taobao seller platform: First, download and install the Taobao seller client on your mobile phone, and then log in to the Taobao seller platform with your Taobao account.

2. Complete the store information: After entering the seller platform, click "My Store" to complete the store information, including the store name, store logo, store introduction, etc.

3. Upload products: After the store information is complete, you can start uploading products. Click the "Publish Products" button and fill in the product information as required, including product title, price, inventory, etc.

4. Design store decoration: In order to attract more buyers, you can decorate the store. Click the "Store Decoration" button and select a suitable template for store decoration. You can add store background, banner, navigation bar, etc.

5. Start store operation: After completing the above steps, click the "Open Store" button to officially activate the mobile Taobao store. The advantage of activating a mobile Taobao store is that you can manage the store anytime and anywhere through your mobile phone, which is convenient and fast. In addition, mobile Taobao stores can also enjoy the traffic and user resources of the Taobao platform, increasing store exposure and sales.