You can book a Yidiandian store for self-pickup through the following steps:

1. Follow the WeChat public account of Yidiandian.

2. Select "Dandian Service" in the menu bar of the official account, and then click "Order Inquiry".

3. After entering the order inquiry page, select "Pick Up Order" and then select the target store.

4. After entering the store page, select "Reserve and Pick Up", and then follow the prompts to complete the ordering operation.

5. After confirming that the order is correct, select the "pickup time" and complete the payment to complete the scheduled self-pickup operation.

Please note that stores in different regions may have different reservation rules and operating procedures. It is recommended to consult the relevant stores before operating.