The design theories of the ballastless track in the world are reviewed in comparison with the innovative research achievements of high-speed railway ballastless track in China.The calculation methods and parameters concerning train load,thermal effect,and foundation deformation of high-speed railway ballastless track,together with the structural design methods are summarized.Finally,some suggestions on the future work are provided. The design theories of the ballastless track in the world are reviewed in comparison with the innovative research achievements of high-speed railway ballastless track in China. Calculation method and parameters concerning train load, thermal effect, and foundation deformation of high-speed railway ballastless track, together with the structural design methods are summarized .Finally, some suggestions on the future work are provided.