Pain in the top of the head for several days may be a primary headache, or it may be caused by intracranial lesions, skin infections on the top of the head and other diseases. 1. Primary headache: for example, tension headache, usually caused by emotional, mental tension caused by vascular spasm in the brain, the attack of the patient’s head will have a dull pain. 2. Intracranial lesions: for example, brain tumors may cause hydrocephalus, resulting in increased intracranial pressure, which leads to headache symptoms. 3. Skin infections on the top of the head: such as folliculitis and boils on the skin at the top of the head, which can also cause symptoms of headache. In addition, frequent late nights and bad habits such as smoking and alcoholism may also cause headache. It is recommended that the patient consult a doctor in time to clearly diagnose the cause of the disease and then actively treat it so as not to delay the condition.