To determine whether there is a concussion, you can go through the symptoms, cranial CT, and cranial nuclear magnetic examination. 1. Symptoms: If there is a concussion patient, he/she may be unconscious or confused for a short period of time, with impaired consciousness, and will regain consciousness after half an hour, which may also be accompanied by dizziness, vomiting, insomnia, memory loss, and inability to recall the situation. 2. Cranial CT/Magnetism: This is a simple test that can be used to find out if the patient has intracranial hemorrhage, brain damage, fractures and other abnormalities. Patients with concussion do not show any of these abnormalities, and the examination is done to distinguish them from craniocerebral injuries and hemorrhages. It is important to go to the hospital immediately to avoid delaying treatment for concussion.