There are many causes of headache in children: encephalitis induced by viral bacterial infection, cervical spine dysplasia or acquired injury causing stenosis of the vertebral foramina, intracranial hemorrhage caused by traumatic brain injury, cerebrovascular malformation and occupational lesions, sinusitis and psychological factors can all induce headache. 1.Sudden onset of headache in children with recent cold and fever is mostly caused by meningitis or encephalitis caused by viral bacterial infection. sequelae. 2. Insufficient cerebral blood supply due to spinal foramen stenosis caused by acquired injury can easily cause migraine, which can be accompanied by nausea, vomiting and dizziness, and headache can be relieved after massage to relieve cervical spine problems. 3, the child has had trauma, severe trauma to the head can cause subdural hematoma or brain hemorrhage caused by increased intracranial pressure resulting in pain, once the headache symptoms of pressure, need immediate surgery to relieve, without treatment of serious cases can be life-threatening. 4, very few people have cerebrovascular malformation and occupational disease such as tumor, vascular malformation of the brain oxygen supply is insufficient to easily cause hypoxic pain, intracranial occupational lesions need magnetic resonance to identify the cause, causing compression symptoms need immediate surgical treatment. 5, sinus inflammation is easy to cause headache symptoms in the afternoon is obvious, because it has been in a nasal congestion symptoms, brain hypoxia and caused by the treatment of sinusitis this situation can naturally be alleviated. 6, psychological factors: excessive psychological pressure thus to cause migraine, relieve its knot this situation to relieve. Only by identifying the factors to deal with the symptoms, can the baby’s pain be relieved.