The biggest feature of children's shoes is that there is a heel cup of about 50 degrees at the back of the shoe, which can ensure that the force that Hougangbao bears is just greater than the torsion force when the baby's foot is deformed, which will play a correction role in the development of the baby's foot, and further control the heel valgus and varus; Mild arch pad can support children's arch, reduce fatigue, and effectively prevent the incidence rate of flat foot and high arch foot; The sole should be easy to bend, help children start and reduce foot fatigue.