Hip and leg walking pain 4 months after delivery may be related to overwork, lumbar disc herniation and other reasons, which can be relieved by general treatment, medication, physical therapy and so on. 1. Overwork: After giving birth, women who take care of their babies may not have a good rest, which makes their bodies overworked, thus leading to postnatal hip and leg walking pain. You can pay more attention to rest, avoid weight-bearing and get enough sleep to improve the symptoms. 2. Herniated lumbar intervertebral discs: breastfeeding, taking care of the baby, holding the baby and other actions may cause great stimulation to the lumbar intervertebral discs and lumbar muscles, making the mother susceptible to lumbar intervertebral disc herniation, which may lead to postnatal pain in the hips and legs. Symptoms can be relieved by taking pain-relieving drugs and physical therapy. Patients are advised to pay attention to rest, strengthen the warmth, specific drugs need to be used under the guidance of the doctor, if necessary, go to the hospital.