The four causes of forehead pain alert is not accurate, forehead pain including physiological causes, primary headache, high blood pressure, medication factors. 1. Physiological reasons: when the patient’s head is stimulated by cold air, muscle contraction can have forehead pain symptoms. When returning to the warm environment will gradually disappear. 2. Tension headache: commonly found in young and middle-aged people, caused by unknown reasons or nerve stimulation, bilateral occipital or whole head tightness or pressure headache. 3. Hypertension: when the patient’s blood pressure suddenly rises, intracranial vasodilatation, frontal headache can be a symptom. 4. Medication factors: when patients take vasodilating drugs, such as nitroglycerin, isosorbide nitrate and so on, there may be frontal headache symptoms, when the drug can be stopped after the disappearance of pain symptoms. Frontal head pain may also be caused by trigeminal neuralgia, eye and nasal diseases, need to consult a doctor in time, clear cause and follow the doctor’s instructions for treatment.