Objectives: This study aimed to anaylze randomized controlled trials on the effectiveness of herbal medicine for hyperemesis gravidarum. Methods: We searched the randomized controlled trials that intervented oral herbal medicine treatment on hyperemesis gravidarum retrieved using seven domestic and foreign databases. Literature search was conducted on April 19, 2021. Results: 185 studies were searched, and 7 were finally selected based on inclusion and exclusion criteria. All subjects were treated with western symptomatic treatment and in treatment group, additional oral herbal medicine was administered. Although the evaluation index was different for each study, all the indexes in the treatment group were significantly improved compared to the control group. Conclusions: Herbal medicine treatment for hyperemesis gravidarum showed significant effectiveness compared to western symptomatic treatment. In the future, additional studies are needed to evaluate the safety of herbal medicine treatment.