The best medicine for lumbar disc herniation is usually mannitol and dexamethasone injection combined application, through the intravenous drip way to effectively play the role of dehydration and anti-inflammatory, reduce the disc as well as the nerve root of the inflammatory oedema, and then be able to reduce the lumbar pain as well as lower extremity radiating pain and numbness symptoms. But then good drugs must also do the following precautions, otherwise it will lead to further aggravation of disc herniation: 1, to avoid bending and lifting heavy objects, avoid sitting for a long time, squatting and carrying heavy objects twisting the waist, these actions will lead to the lumbar discs are further squeezed, stimulation, may lead to further aggravation of disc herniation. If further aggravation, will certainly lead to radiating pain as well as numbness of the symptoms of aggravation, may need surgery for treatment. 2, must pay attention to the lumbar warmth, can not be cold, cold will lead to slow blood circulation, inflammation metabolism product accumulation, resulting in aggravation of the condition. 3, try to choose bed rest, and bed position can be the lumbar back of the muscle function exercise, such as to take the Swallow style, that is, lying on the bed, limbs and head up. After the exercise, the muscle strength of the lumbar back can be improved, for maintaining the stability of the spine is very helpful, can prevent the further aggravation of lumbar disc herniation.