2306 orders can be canceled three times a day. 2306 registered users cannot continue to use their accounts to purchase high-speed rail and train tickets after canceling their orders three times in one day. But you can buy tickets directly at the station's manual ticket window, self-service ticket vending machine or agency point of sale, or even use someone else's account to buy tickets (that is, someone else buys them for you). If you don’t want to go to the station to buy tickets, the easiest and most convenient way is to use your family and friends’ account number 12306 to buy tickets. This "help-to-buy" ticket purchase method is quite simple to operate: Method 1: Open the "Railway 12306" app on your mobile phone, log in to the other party's 12306 account, select the train information you want to take (origin, destination, travel date), click on the desired For trains with remaining tickets, enter the "Order Confirmation" page, click "Select Passenger", click "Add Passenger" on the upper left, fill in your identity information and mobile phone number, and follow the prompts to pass. Method 2 Open the "Railway 12306" app on your mobile phone, log in to the other party's 12306 account, click "My" at the bottom right of the page, click "Passenger" under the avatar, click "Add", fill in your identity information and mobile phone number, and follow the prompts to pass To query via mobile phone, click "Next". After adding passengers, you can select the train you want to take and start purchasing tickets.