In this study, it is experienced that Drug eruptions of Soyangin patient mistreated with Taeumin, The patient was 61 years old, female. She entered our hospital for Stroke and sicked Drug eruptions by mistreatment of Taeumin, After we prescribed Yanggyuksanhwatang(凉膈散火湯), had the general improvement of drug eruptions. Drug eruptions is related to Yangdokbalban(陽毒發斑) in Oriental medicine. The Yangdokbalban(陽毒發斑) of Soyangin is classed as Wisuyulliyulbyung(胃受熱裏熱病). This is a kind of dermatitis caused by Wiyul(胃熱). We classified this as Soyangin-Liyuuljeung(小陽人裏熱證) and prescribed Yangdokbaekhotang(陽毒白虎湯) and Yanggyuksanhwatang(凉膈散火湯). In the result, we had the general improvement of Yangdokbalban(陽毒發斑).