Alternate ticket purchase refers to a ticket purchase service and method on 12306 platform. When purchasing tickets through 12306 website and APP, if there is no ticket for the required train or seat, you can voluntarily submit the advance payment according to the date, train, seat and ticket purchase demand, and the ticketing system will automatically queue up for the standby. When there is a refund for the corresponding train or seat, the system will automatically cash the ticket and inform the service of the purchaser of the ticket purchase result.

20 181February 22nd, China Railway Corporation announced the detailed rules for the pilot program of "alternate ticket purchase". From February 27th,/kloc-0, the pilot program was carried out in a long-distance section where Spring Festival travel rush's capacity was partially strained.

If there is no ticket for the required train or seat, passengers can submit the ticket purchase demand according to the date, train and seat, and pay the ticket in advance. If there is a refund or remaining ticket on the line, the 12306 system will automatically purchase tickets. Each user can submit 1 standby orders, and each standby order can reserve 3 tickets.

"Alternate ticket purchase" means that passengers who have not bought tickets at the first time can queue up for the first time to refund or change their tickets by submitting alternate orders.