A herniated lumbar disc compressing the sciatic nerve may cause pain and weakness in the soles of the feet. As the tibial nerve and common peroneal nerve, which are branches of the sciatic nerve, innervate the movement and sensation of the legs and soles of the feet, when the lumbar disc herniation compresses the sciatic nerve, it may cause the decrease of the muscle power of the lower limbs and the sensation, which may lead to the soles of the feet pain and weakness. When the lumbar disc herniation compresses the sciatic nerve and causes plantar pain and weakness, it means that the patient’s lumbar disc herniation is more serious and requires timely intervention and treatment. Generally speaking, the patient can take oral non-steroidal anti-inflammatory drugs such as ibuprofen, wear a supportive device and other conservative methods of treatment, conservative treatment is ineffective patients need to carry out lumbar disc removal and other surgical treatments. Lumbar disc herniation compression of the sciatic nerve caused by the soles of the feet pain patients should go to the hospital in a timely manner, under the guidance of the doctor’s formal treatment, to avoid further progression of the condition.