The presence of cerebrospinal fluid leakage after lumbar spine surgery is a possible complication after lumbar spine surgery. For this condition, the following treatment measures can be taken.1. For the presence of mild cerebrospinal fluid leakage, conservative treatment measures can be preferred. At this point, the patient is usually asked to take strict bed rest, braking, and rest, and to apply pressure bandages to the area with cerebrospinal fluid leakage. In addition, postural drainage may be used as appropriate. The upper part of the body is lowered and the end of the bed is elevated so that the leak is reduced and gradually closed. 2. In cases of severe cerebrospinal fluid leakage, surgical treatment may be required. If conventional conservative treatment is ineffective, surgical treatment is needed as soon as possible to seal the leaking area, such as dural repair. 3. The treatment is carried out with sensitive antibiotics.