One and a half year old baby tiptoe is normal, but often tiptoe walking is not normal. One and a half year old baby just learned to walk, not well adapted, in learning to walk, will make the leg muscles in a state of tension, and the baby’s body coordination is not sufficient, so there will be the phenomenon of tiptoe walking, with the baby’s growth and development of this situation will gradually disappear. But if the baby is often walking on tiptoe, there may be developmental abnormalities, which may be related to the Achilles tendon is too short and other reasons. It is recommended to consult a doctor in time. The baby has been walking on tiptoe parents must take the baby to the hospital for examination, under the guidance of the doctor, to correct.