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When buying children's berth tickets, the berth part is full price, and other services such as hard seats and air conditioning are half price. This price mainly involves the composition of train tickets, and basic fares, air conditioning, acceleration and other services are all half price for children. Sleeper service, if the child monopolizes the sleeper, this part of the price is full price. So the price of children's berth tickets is lower than that of adults. With the acceleration of railway construction in China, more and more friends like to travel by train, especially during the winter and summer vacations. Taking children out to travel has become a fashion. Because of the special status of children, some of them are students and some are minors, and they are eligible to buy discount tickets. In some places, they don't know much about the price of student tickets and children's tickets, which is not a simple conversion, but only half the price of adult tickets. The composition of train fare: There are many kinds of trains, including ordinary trains, K-prefix trains (speed increase), T-prefix trains (express trains), Z-prefix trains (through trains), and first-class carriages with D-prefix, C-prefix and G-prefix. Different train fares are different, mainly because the service items are different. The preferential parts of children's tickets and students' tickets are only the basic fares, that is, the hard seat fare of ordinary trains, the price of heating service in winter or air conditioning in summer, and the price of acceleration (K, T, Z). Hard sleeper, soft sleeper and other services, if children or students occupy the berth alone, this part is not preferential, does not occupy the berth, and does not charge.