Baby’s head tilted to the left side may be caused by bad sleeping posture, congenital strabismus, strabismus, etc., which can be adjusted by improving sleeping posture, massage or surgery. 1. Bad sleeping posture: Due to improper sleeping posture, babies may sleep on one side for a long time, which may lead to habitual head tilting to one side. Head tilt can be corrected by adjusting the sleeping position so that the baby’s head is tilted to the other side. 2. congenital strabismus: if the baby’s neck is close to the side below the ear, you can touch the olive-sized hard knots without pain, you need to be highly alert to congenital strabismus. 1 year old babies can be corrected by massaging, and after the age of 1 year old children may need to be treated with surgery. 3. Strabismus: As the baby has upper and lower eye position strabismus, it may lead to the phenomenon of tilted head, which requires parents to go to the hospital for examination in time, and if necessary, surgery should be adopted for treatment. If your baby’s head is tilted to the left, you should go to the hospital in time for examination, to clarify the cause of the disease and actively treat it, so as not to delay the condition.