Usually 10 milliliters of cerebral hemorrhage in the left external capsule area is relatively not serious, but patients should still actively cooperate with doctors to take treatment measures to prevent the condition from worsening. Cerebral hemorrhage is caused by high blood pressure, cerebral amyloid angiopathy and other reasons that lead to cerebral blood vessel rupture. Generally speaking, a cerebral hemorrhage of 10 milliliters in the left side of the external capsule area is not serious if the patient is not accompanied by dizziness, headache and other uncomfortable symptoms. However, some patients still need close monitoring of their condition and bed rest. If the patient, in addition to 10 ml of left external capsule cerebral hemorrhage, the body is also accompanied by dizziness, headache, numbness of the limbs and other uncomfortable symptoms, usually more serious. This kind of patients need to be alert to the further increase of bleeding or induced cerebral hernia, etc., which is easy to jeopardize the safety of life. It is recommended that people with 10 ml of cerebral hemorrhage in the left lateral capsule should seek medical attention and treatment under the guidance of a doctor.