After a fall on the head, the treatment is different for everyone. If the patient is not unconscious, but simply has a headache and dizziness, the main thing in this case is to observe, generally as long as rest for 1 or 2 days, the symptoms improve, and there is no big problem at a later stage. If there is nausea and vomiting, and after rest, the dizziness and headache are not relieved, and the condition has a tendency to worsen, it is necessary to go to the hospital for head CT examination in time to clarify the factors of the change of the condition. There are also more serious cases of coma and retrograde amnesia, and it is more necessary to go to the hospital for examination, which may be a case of concussion. In more severe cases, the coma lasts longer and may be a change in condition of brain contusion. In more severe cases, where respiratory function exists, it is necessary to call 120 immediately for appropriate tracheal intubation to assist breathing and, if necessary, treatment by surgical means.