1. Rose black tea is mild in nature, reduces anger, regulates blood, promotes blood circulation, and improves beauty. And it can eliminate fatigue, heal wounds, protect liver and gastrointestinal function, and long-term drinking also helps to promote metabolism. 2. Rose tea can also relieve colds and coughs, relieve the pain of women's menstrual period, beautify the face, improve blood circulation, and prevent constipation.