Babies always hit their own head, may be related to head itching, otitis media, sinusitis, physiological factors and other reasons. 1. Head itching: if the baby’s head occurs allergies or mosquito bites, head itching may occur, so the baby may slap the itchy parts to stop the itching, appearing to always hit their head. 2. otitis media: if the baby suffers from otitis media, there may be discomfort in the ear, but the baby may not be able to accurately judge the site of discomfort, and may always hit his head. 3. Sinusitis: if the baby suffers from sinusitis, there may be nasal congestion, headache, dizziness and other symptoms, so the baby may beat his head to relieve the discomfort. 4. Physiological factors: the normal phenomenon of the development process, in addition, some children need to get the attention of adults, there will also be patting the head phenomenon. The baby always hit his head, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.