A big bag fell on the head need to promptly observe the local symptoms, if only a big bag of skin raised without any trauma to consider the cause of scalp hematoma, usually in about 1 month after the self-absorption. If the bag is not serious, it may return to normal in about 1 week, but if it is more serious, it may not be able to absorb by itself, and it is necessary to go to the hospital to use puncture to extract the fluid inside, and also to make aseptic bandage in the local area to avoid the wound from being infected. Patients in the recovery period can not be strenuous exercise, keep the local dry and clean, do not eat stimulating food, try to light diet. If intracranial hemorrhage occurs after hitting the head is more serious, you need to go to the hospital in time for treatment, otherwise there may be dizziness, vomiting, fainting, which may cause the patient’s death if it is serious, you need to go to the hospital in time to do a CT examination of the brain, according to the actual condition of the treatment. During the recovery period, bed rest is the main focus, not too tired, and go to the hospital regularly for review.