Please refer to the following provisions of the Ministry of Railways for details:
An adult passenger can carry a child under 1.2m for free. There is more than one child whose height is less than1.2m. One child is free, and other children need to buy children's tickets. Children whose height 1.2 ~ 1.5 meters must buy children's tickets; Over 1.5 meters, you must buy a full-price seat ticket.
Children's tickets can enjoy the discount of passenger tickets, expedited tickets and air-conditioned tickets, and the fare of children's tickets is calculated according to 50% of the fare of corresponding tickets and additional tickets. Free rides using the sleeper alone and children with children's tickets should charge full-price sleeper fares, and air-conditioned cars should charge half-price tickets. The seats of children tickets should be the same as those of adult passengers, and the arrival time should not be too far away from adult passengers.
When adult passengers hold berth tickets, children can share a berth with them, and they should purchase tickets free of charge or according to the above regulations.
When buying real-name registration system tickets at the railway ticket window, children's tickets are not subject to real-name registration system. When purchasing tickets on the website of China Railway Customer Service Center, you must provide the valid ID information of the children on board; Children who do not have valid identity documents can use the information of valid identity documents of their peers.
There are standard lines for measuring children's height at the ticket window, ticket gate, exit and train tailgate of the station. When measuring the height of children, the actual height of children (taking off their shoes) shall prevail.
It should be noted that in principle, children can't ride alone, and they must be accompanied by parents and guardians.