After the legs get cold, it will cause the local blood circulation to run poorly, and qi stagnation and blood stasis will occur. Patients may experience localized soreness, numbness, distension and pain, which are usually alleviated after activities, but aggravated after prolonged sitting or catching cold. Attention should be paid to appropriate warmth, if necessary, can be hot compresses, herbal fumigation, moxibustion or with infrared therapeutic instrument to treat, but also with bioelectricity grilling. If necessary, you can find a traditional Chinese medicine practitioner to give local massage, which can activate blood circulation, and also moxibustion, which can promote local metabolism.