Forehead pain may be caused by cold, neurasthenia, encephalitis, tumor and other reasons. 1. Cold and cold: when the outside world temperature is too low, the wind is too big, the head and face have no cover, can be caused by cold air stimulation of the head blood vessel contraction, caused by forehead headache, need to pay attention to keep warm. 2. Neurasthenia: If you usually have mental anxiety, insomnia, emotional instability, etc., the emergence of neurasthenia can cause frontal headache or whole brain headache, you should adjust your mood to ensure adequate sleep, if necessary, follow the doctor’s instructions to take medication, such as haloperidol melitusine tablets. 3. Encephalitis: when bacteria, viruses and other causes of encephalitis, headache can occur in the forehead or even the whole brain, and may be accompanied by fever, myalgia, confusion and other symptoms, need to follow the doctor’s instructions to use medication, such as dexamethasone, mannitol and so on. 4. Tumor: when frontal pain persists, it may be caused by cranial tumor, especially in the frontal lobe part of the tumor, which needs to improve the cranial CT or MRI examination, and undergo surgical treatment if necessary. Pain in the forehead may also be caused by other reasons. It is recommended to actively consult the doctor, complete all the examinations, and cooperate with the doctor to standardize the medication and treatment.