On the preferential interval of train tickets for student ID cards ~

Hello, if you want to buy student tickets, you should be clear about the rules for the sale of student tickets. It is said that from Chengdu to Haikou, you can buy Guangzhou from Chengdu and go home from Guangzhou to Haikou. The starting and ending stops on the student ticket should be consistent with the ride interval on the student ID card! Therefore, if you want to buy Chongqing in stages, it is not feasible to enjoy the student ticket discount in principle. The conductor won't sell it to you like this. I took a look at your situation, because the train from Chengdu to Guangzhou stops at Chongqing North, so buying a pass in this case may solve your problem. Note that you can only choose K588 and K 194 to buy the pass, and only buy Haikou, with Chongqing as the coupon, so you can stay in Chongqing. After that, you can sign in Chongqing to continue your trip, so that you can enjoy the discount of student tickets. At the same time, it can also meet the needs of your stay in Chongqing. I also want to remind you that the pass is not everything, there are many constraints. First, it depends on whether the ticketing system of Chengdu Railway Station has passes for K588 and K 194 to reach Haikou. It depends on the station. I can't guarantee it here. Secondly, the date of your arrival in Haikou has been specified in the pass, so although you can get off at Chongqing, you can't stop for a long time, just one day. Moreover, the pass was signed at the transfer station. Because of the time limit, the transit station usually just lets you go and won't delay your trip. As for whether you can bear hardships, they don't care. So, in case you sign a seatless ticket, there is nothing you can do. To sum up, you need to arrange your trip reasonably. I'm just giving feasible suggestions here, which may not apply to you. I hope the information provided is useful to you.