Intermittent headache, may be related to physiological factors, may also be due to neurasthenia, cervical spondylosis and other causes. 1. Physiological factors: if the recent long time engaged in mental labor, or mental mood, psychological stress, resulting in poor sleep, sleep time is not sufficient, may cause intermittent headache, may also be accompanied by sleepiness, mental fatigue and other performance. 2. Neurasthenia: the disease can lead to brain fatigue, mental excitement, often combined with emotional distress, sleep disorders, may show intermittent headaches, may also be accompanied by memory loss, temper and other symptoms. 3. Cervical spondylosis: this disease can cause the normal physiological curvature of the cervical vertebrae to change, if the patient maintains an inappropriate posture for a long time, it is easy to cause local vascular nerve root compression, resulting in insufficient blood supply to the vertebral basilar arteries, which may show intermittent vague headache, may also be accompanied by neck pain, stiffness and other symptoms. Intermittent headache may also be caused by other reasons. If accompanied by obvious discomfort symptoms, you should seek medical treatment as soon as possible, and give targeted treatment after diagnosing the causative factors by completing relevant examinations.