Brain tumors may be caused by genetic factors, or may be caused by long-term stimulation by radioactive and harmful substances, and there are many other reasons for the development of brain tumors, which are not completely clear. Brain tumors, also known as intracranial tumors, can be benign or malignant, and have many causes. Some patients develop brain tumors due to genetic factors. Some patients develop brain tumors due to genetic factors, while some patients develop brain tumors due to long-term presence in an environment containing radioactive substances and other harmful substances to the human body, resulting in a pathological change. Whichever the cause, it is not clinically clear. It is recommended that patients suspected of having brain tumors should go to the hospital in time, and be diagnosed and treated by the doctor according to the patient’s own situation, combined with the medical history and relevant auxiliary examinations, so as to avoid delaying the condition and causing serious consequences.