Intracranial tumors are common life-threatening diseases, and if detected early, they will play an important role in treatment and patient’s prognosis. However, it is difficult to achieve early detection if you are not a neurologist. Clinical manifestations of intracranial tumor: 1. headache: often heavier at night and in the morning. 2. Vomiting: As the tumor grows, the increase of intracranial pressure may cause vomiting, which is in the form of jet vomiting. 3.Epilepsy: also known as “sheep’s madness”, especially for adults who have not suffered from trauma or inflammation. 4, neurological dysfunction: weakness of one limb, sensory abnormalities, language delay, vision loss, hearing loss, etc. If the above symptoms appear, you need to seek medical attention.