Babies’ feet growing fast has little to do with walking a lot. The foot grows fast, mainly and genetic factors and nutritional factors are closely related. 1. Genetic factors: baby feet grow faster, many are affected by the parents’ genes, if the parents’ feet are bigger, then the baby’s feet will grow faster. 2. Nutritional factors: comprehensive and adequate nutrition is the basis for bone growth, adequate nutrition of the baby not only feet grow faster, height development, weight development and other aspects will be better. The baby to the age of walking, should let the baby learn to walk, should not be because the feet grow fast and restrict the baby’s free movement, full of movement will help the body healthy. Bigger feet do not affect health, just let nature take its course.