Generally, face pain may be caused by cluster headache, trigeminal neuralgia, glossopharyngeal neuralgia, facial allergy and so on. 1. Cluster headache: most patients often have symptoms of eye pain, followed by common pain areas such as temporal, forehead, maxillary and other facial regions. The currently recognized causes may be caused by the involvement of the hypothalamus or abnormal excitation of the trigeminal nerve cells. 2. Trigeminal neuralgia: It is one of the most definite and common causes of facial pain. It can be caused by viral infections, compression of the trigeminal nerve, etc., which damages the trigeminal nerve, thus causing severe pain to the patient. 3. Hypoglossal neuralgia: also known as vagus hypoglossal neuralgia. The pain may be related to the lesion damage of the glossopharyngeal nerve and vagus nerve caused by certain reasons, or it may be related to local ischemia. The pain can involve the facial area, such as the ear, the angle of the jaw, the upper jaw and so on. 4. Facial allergy: Facial use of cosmetics, allergies after mosquito bites can also cause facial pain. In addition, facial pain can also be seen in other cases, it is recommended that patients go to the hospital in time to avoid delay.