Context:Clinical trials demonstrating increased risk of cardiovascular disease and breast cancer among women randomized to hormone replacement therapy have attracted people's focus on the alternative therapy for menopausal symptoms. This study drug- a mixture of CHIA-WEI-HSIAO-YAO-SAN, CHIH-PO-TI-HUANG-WAN, HSIANG-SHA-LIU-CHUN-TZU-TANG (TMN1) is widely used as an alternative to hormonal therapies for hot flush in Taiwan. However, there is a paucity of data supporting their efficacy and safety.