8.5mm is serious, so we must pay close attention to treatment. The first principle of treating lumbar disc herniation is safe treatment, and surgery and drug treatment are not recommended. Because the operation is risky, it is easy to relapse and has sequelae. Generally speaking, taking medicine has little effect on the treatment, because there are no blood vessels passing through the lumbar spine, the drug effect is difficult to achieve, and it hurts the stomach and has certain toxic and side effects. It is suggested to insist on conservative treatment of traditional Chinese medicine, and the effect is very good. It is recommended to use Chinese medicine powder sticking therapy, pure Chinese medicine powder, which is convenient, effective and has a high cure rate. You can go to Likang Yangshengtang to check the relevant information, hoping to help you.