Most of the cold and numbness in the calves are caused by peripheral neuritis and vasculitis, and can also be caused by catching a cold, which should be treated as follows: First, life intervention: pay attention to the warmth of the calves, avoid prolonged standing, while avoiding long-distance walking, and pay attention to more rest. Second, oral medication: oral nerve-nourishing drugs, such as methylcobalamin tablets, vitamin B1 tablets, vitamin B6 tablets for treatment, as well as oral medication to improve circulation and increase blood supply for treatment, can also relieve the symptoms of cold and numbness. Third, physical therapy: microwave physiotherapy, far-infrared physiotherapy can relieve the symptoms of cold, numbness in the lower legs. Cold and numbness in the calves should be identified at an early stage and treated for the cause.