The utility model provides a percutaneous and directional skull-drilling device for cerebral hemorrhage, belonging to a medical apparatus. The skull-drilling device mainly comprises a circular directional ring which is provided with a guide hole and a thread hole, wherein the guide hole is matched with an indicating rod, a drill rod and a drainage tube, and the thread hold is matched with a fixation rod. The skull-drilling device is characterized in that two corresponding inward convex plates are arranged at the inner side surfaces of the left and right sides of the directional ring; and the inner side surface of the convex plate is arc-shaped. The skull-drilling device can be fixed at the skull of the patient, can accurately determine the skull-drilling point, the puncture direction and puncture depth with accurate direction according to the craniocerebral CT pictures, is beneficial to skull-drilling, suction and drainage hematoma, has the effects of simple structure and convenient operation, and is applicable to skull-drilling catheter suction and drainage treatment for cerebral hemorrhage or brain abscess.