In daily life, accidentally bumping into the head often happens, and the examination after bumping into the head is mainly divided into two cases: 1, light headache: bumping into the head is not very powerful, that is, relatively minor injuries, do not be too nervous, pay attention to observation, to observe 1-2 days; 2, heavy headache: if there is a headache, vomiting, you should pay great attention to, as soon as possible to the hospital, by a specialist to do the examination, the most common examination The most common tests, such as CT scan of the head, can clarify whether there is bleeding or whether there is contusion of brain tissue. If there is bleeding or contusion of brain tissue, hospitalization or even surgery may be required for severe cases. In addition to CT of the head, there is a better test called MRI, but for intracerebral hemorrhage or brain contusion doing CT is sufficient. If you do CT examination, there is no big problem problem, and you want to do further examination, you can consider doing MRI. So if the head is injured after the examination should first be observed, by the doctor to do a physical examination, or to do a CT of the head or cranial MRI.