Lumbar disc bulge can use hot water bag hot compress. Lumbar disc bulging refers to the lumbar intervertebral disc fibrous annulus degenerative lesions, the disc uniformly outward bulging, but did not cause nucleus pulposus herniation. It is an early manifestation of lumbar disc herniation. Hot water bags can increase the blood circulation of the local muscles in the lumbar region, promote the discharge of acidic metabolites, and relieve the tension and fatigue of the lumbar muscles. For lumbar disc bulging has a certain role. Patients with lumbar bulging discs, usually pay attention to the lumbar posture, avoid prolonged standing and sitting, lumbar cold, excessive bending and other actions. Secondly, you can carry out appropriate rehabilitation exercises, such as five-point support, small swallow fly, hip bridge and other actions to increase the strength of the lumbar back muscles, reduce the weight of the spine, increase the stability of the spine, to prevent the lumbar disc bulging from further development of the lumbar disc herniation as well as nerve compression and so on. If the symptoms are not relieved after lifestyle modification, you should consult a doctor in time to clarify the cause of the disease and under the guidance of the doctor.