1. First, you should open an account and log in to the PDA mobile service with the bound mobile phone number.

2. Secondly, enter the reservation management interface through the menu "Book" at the bottom. After logging in, the mobile terminal will select the nearest restaurant by default according to the current positioning, and support positioning to switch restaurants. After selecting the scheduled date and restaurant, you can "start ordering".

3. Then, after selecting the required dishes, add them to the shopping cart and complete the payment under the order.

4. after successful payment, you can freely choose the way and time to pick up the meal: you can go to the stall to pick up the meal within the allowed time, or you can collect the meal by the delivery staff in a centralized way and pick up the meal in the corresponding cupboard.