Open [Alibaba] on your phone, search for the product you want to buy at the top of the homepage, select a product you like after the page jumps, then tap [Add to Purchase Order] at the bottom, select the specifications in the pop-up window and click [Confirm] at the bottom, then return to the homepage, find [Purchase Order] at the bottom right corner, and check the product with the selected specifications;

Tap [Checkout] at the bottom right corner, confirm that the order is correct, click [Submit Order] at the bottom right corner, select the payment method at the [Cashier] interface, click [Go to Payment] at the bottom, then click [Pay Now] in the pop-up window, and complete the shopping after completing the payment verification;