The method steps are as follows:

1. Open the client of Sixun Cashier System, and enter the user name and password to log in to the system.

2. select the cashier option in the main interface to enter the cashier page.

3. In the cashier page, you can display the information of the current order and the list of goods in the shopping cart.

4. operate according to customer's requirements, such as scanning commodity bar code, setting commodity quantity, modifying price, etc.

5. after the operation is completed, select the "settle" button, and the system will automatically calculate the total price and display the payment options.

6. after the customer selects the payment method and completes the payment, print the receipt and perform corresponding operations in the cashier page, such as choosing whether to invoice or not.

7. After completing the cashier, you can choose to exit the cashier page and return to the main interface.