**Yes, soldiers also need to buy tickets to take the high-speed rail.
Although they may enjoy preferential policies or free rides, in practice they still need to purchase tickets. This is not only a confirmation of his military status, but also a respect for the railway transportation system. At the same time, this is also a general rule that applies to all types of public transportation.
It is worth noting that policies may differ in different regions, so specific ticket purchase and ride policies may change.