The consequences of a fist to the head vary from person to person, with some patients having no clinical symptoms and others experiencing adverse conditions, as follows: 1. No clinical symptoms: Some people may be more tolerant or not strong enough to be injured, and such patients may not have any clinical symptoms, or only occasional headaches and dizziness, but no substantial damage is produced. 2. Adverse conditions: Some people with a fist to the head After the fist hit, it will induce a series of clinical maladies such as cerebral contusion, cerebral hemorrhage, etc. Some may even develop limb hemiparesis, speech dysfunction, seizures, and in special cases, may also cause disability and death. Therefore, head CT and head MRI should be improved in time and combined with clinical symptoms together to clarify, so that the most accurate judgment is made. Otherwise, in many cases are indicators of speculative nature and are not sufficient to fully evaluate the consequences of the problem.