A sterile inflammatory lesion is formed due to strain and cold in the muscles of the inner thigh root. The inflammatory metabolic products will stimulate the peripheral nerves around the soreness and swelling, and if the time is long, it will form soreness and more serious pain. In this case: 1, let the muscles in the area in a relaxed state to avoid pulling force, in a state of rest can help to recover; 2, to use more warm water bags for hot compresses, through increased blood circulation to promote the metabolism and absorption of inflammatory metabolites, effectively reducing the local symptoms. Be sure to pay attention to not cold, after the cold blood circulation slowed down, the accumulation of inflammatory metabolites, is not conducive to its recovery; 3, can be taken orally Eperisone hydrochloride tablets, the drug belongs to the muscle relaxant, through the oral can be effective after the strain of cold muscle in a relaxed state, can help recovery. Generally in about two days, the symptoms will be significantly improved.