药物组成及用法;生姜30克(拍),生半夏20克(捣烂),明矾15克(研细),食盐500克(干炒至极热)上四味共拌匀用纱布包之,趁热外熨痛处. 功能与主治症:祛风胜湿,散寒止痛.用于风湿头痛,虚寒腹痛,寒湿脚气等诸痛证. Drug composition and usage; 30 grams of ginger (shoot), 20 grams of Pinellia (decoration), 15 grams of alum (research), 500 grams of salt (dried fry until extremely hot) on the four flavors were mixed with gauze, Outside the hot sore office. Function and indications: wind and wind, dampness, cold and pain relief. For rheumatism headache, cold abdominal pain, cold wet athlete’s foot and other pain syndrome.