When herniated lumbar disc causes numbness in the feet but no pain in the waist, it is considered that it may be related to nerve damage, serious disc lesions, etc. It is necessary to choose the appropriate treatment according to the cause of the disease, and the common treatments include medication, specialty physiotherapy, minimally invasive surgery, etc. 1. Drug treatment: Generally, some nerve-nourishing drugs can be used under the guidance of professional physicians, and commonly used nerve-nourishing drugs include adenosylcobalamin, methylcobalamin, vitamin B1, etc., which can reduce the symptoms of nerve root edema and nerve compression; and some proprietary Chinese medicines, such as Zhenbao Pills, can be taken to treat the disease. 2. Characteristic physical therapy: including massage, acupuncture, traditional Chinese medicine and other methods, you can acupuncture some commonly used acupuncture points to reduce the symptoms of numbness of the feet. 3. Minimally invasive surgical treatment: If the clinical symptoms of the patient worsen and the MRI suggests that the lumbar intervertebral disc herniation is obvious, the minimally invasive surgery can be carried out with the help of intervertebral foramenoscopy to cut off the intervertebral disc and solve the problem of nerve compression fundamentally. Usually pay attention to develop good living habits, can do some lumbar traction exercise exercise, if necessary, go to the hospital.