Alcohol withdrawal syndrome includes two or more of the following symptoms: autonomic hyperactivity, increased hand tremor, insomnia, nausea or vomiting, hallucinations of illusions, psychomotor agitation, anxiety, grand mal seizures. Symptoms are usually relieved by administering brain depressant. In oriental medicine, Ju sang correspond to alcohol withdrawal syndrome. Galhwahaesung-tang has been used for the treatment of Ju sang. The authors treated 2 cases of alcohol withdrawal syndome with Galhwahaesung-tang and symptoms are markedly improved. So, We report these case with a brief review of related literatures