Can a child's social security card be used to travel on high speed rail?

Now the railroad requires all tickets to use the principle of real-name registration, but very often, children do not have to apply for ID cards, you only need to provide documents that can prove the child's identity information can be provided, such as household registration, birth certificates, social security cards and so on. Therefore, the children's social security card is able to act as a temporary ID card information quality media.