Whether a herniated lumbar disc can be cured after 4 years depends on the severity of the condition. The cure rate is relatively high for mild cases, but if the condition is serious, it will be difficult to cure completely. For mild lumbar disc herniation, if the condition has not continued to progress for 4 years, and there are no related complications such as intense pain and nerve compression, most patients can achieve a better therapeutic effect through physical therapy and medication. Physical therapy mainly includes traction therapy, infrared physical therapy; medication can take non-steroidal anti-inflammatory drugs, such as celecoxib and ibuprofen. Severe lumbar disc herniation, the condition is progressing gradually in 4 years, and cause related complications, including herniation progressive aggravation, activity disorders, etc., this kind of patients will be significantly more difficult to treat, and may not necessarily be cured. If the lumbar disc herniation is more serious and conservative treatment is ineffective, it is recommended to take surgical treatment as soon as possible, such as endoscopic disc nucleus pulposus removal, simple disc open window nucleus pulposus removal, etc., which should be carried out in accordance with the doctor’s instructions.