The left side of the top of the head a burst of stabbing pain, to do head CT or head MRI examination to clarify the presence of brain tumors, brain occupation. If there is no obvious abnormality in head CT or head MRI, it is considered to be vascular-neurogenic headache, which is often caused by high mental stress, nervousness or lack of sleep, late night and cold, resulting in abnormal expansion or spasm of intracranial blood vessels, leading to headache, manifested as a stabbing pain on the left side of the top of the head. In this case, the patient must have sufficient rest, avoid exertion, cold, you can take oral pain medication, symptomatic to relieve pain, commonly used like aminophenol toxin tablets, ibuprofen extended-release capsules can be. In addition, if the left side of the top of the head a burst of stabbing pain, is caused by elevated blood pressure, but also to give the treatment of lowering blood pressure, you can orally Loxi, Shihui Da and other drugs.