Lateral calf fever, there are many reasons, such as lumbar disc herniation after the compression of the nerve, can cause numbness in the leg, fever symptoms, mainly active treatment of lumbar disc herniation, give local physiotherapy, electroacupuncture, acupuncture, massage and so on. If necessary, you can do lumbar traction, and at the same time give nutritional nerve, improve microcirculation drug treatment. In addition, there may be local vascular circulation disorders, you can do a lower extremity arterial or venous ultrasound to see. In addition, we need to see if there is any skin disease, such as skin allergies, local eczema, itching, etc., whether there is blood circulation is not smooth. Usually pay attention to keep warm, avoid local cold, avoid repeated leg friction, sleep on a hard board bed. Adhere to appropriate exercise every day, avoid overwork, combine work and rest, avoid weight bearing.