In the clinic, if the back of the head hit a bag, the treatment is as follows: First, we must give appropriate cold compress treatment, because the cold compress can be given to reduce swelling, pain and other effects. Second, we must pay attention to the patient’s symptoms at that time, whether there is a coma, limb convulsions, hemiparesis and speech dysfunction, if there are these cases, you need to go to the hospital immediately for related consultations, the best is to take a head CT, to make clear the basic condition of the intracranial changes, to avoid the hematoma of the situation did not get timely diagnosis and diagnosis and treatment. Third, if the patient only simple headache or slight dizziness, and do not need to be too special care, symptomatic treatment as well as active rest, maintain adequate sleep, many can have good treatment. However, if the symptoms gradually aggravate and cannot be completely relieved by general types of medication, it is necessary to go to the hospital for cranial CT test to clarify the changes in the condition, and even sometimes surgical treatment is needed.