If a patient has pain after a cold leg, the causes include muscle, fascia, ligament strain, cold, and leg joint degeneration, osteoarthritis, lumbar disc herniation, etc., as follows: 1, muscle, fascia, ligament strain, cold: seen in the leg muscle, fascia, ligament strain, cold, it is easy to lead to pain symptoms after a cold leg. 2, leg joint degeneration, osteoarthritis 3, lumbar disc herniation: seen in patients with lumbar disc herniation, also prone to leg pain after the cold. After the patient has cold pain in the legs, it is important to consult a doctor, identify the cause, and treat the cause to relieve the leg pain symptoms. After the occurrence of cold pain in the legs, it is important to pay attention to the warmth of the legs in daily life, to avoid getting cold, and to avoid excessive weight-bearing activities of the legs to avoid aggravation of the symptoms. When the symptoms are obvious, you can relieve the pain symptoms by sweat, sauna, acupuncture, moxibustion, together with non-steroidal anti-inflammatory drugs and medication to activate blood circulation and dispel wind and dampness.