Falling on the ground and knocking his head, this situation must be judged according to the specific situation at that time. If the patient is simply dizzy and has a headache, basically there is no big problem, but if there is a wound on the head, it must also be careful to strictly sterilize and prevent infection. If the bleeding is more serious, it also needs to be treated by corresponding suture. However, if the patient has a coma or vomiting phenomenon, must go to the hospital for head CT examination, do not rule out cerebral contusion, subdural hematoma, epidural hematoma and so on these conditions, if necessary, also need to be treated by surgical means. And for the elderly is relatively weak, and even cause bone abnormality, that is, fracture, and some may have brain hernia, that is, brain displacement, resulting in more serious injuries, need to be actively treated by way of surgery, in order to protect the patient’s safety.