Bleeding after cerebral hemorrhage can be frequently encountered in clinical practice. Bleeding has the following causes: 1. If the blood pressure in the original surgical area is too high or the coagulation function is not normal, it will lead to new bleeding. This type of bleeding is treated accordingly depending on the size or amount of bleeding. If there is a small amount of bleeding and no persistent bleeding, a wait-and-see process or medication can be taken to stop the bleeding; 2. Re-bleeding after brain hemorrhage, which may be in another part of the brain or in the area of its own hemorrhage, and the amount of bleeding is relatively large, it may need to be handled by another operation, or to remove the hematoma again, or to carry out decompression of de-osseous flap and other situations, so as to allow the patient to have a better recovery. If the hemorrhage is directly connected to the ventricle or subarachnoid space, the bleeding is not large and does not pose an immediate threat to the patient’s life, the bloody cerebrospinal fluid can be reduced by lumbar puncture or ventricular puncture, etc., so as to achieve a better therapeutic effect.