Butterfly bean flower tea is rich in vitamin C as well as anthocyanins, with antioxidant effect, can remove the body's excess free radicals, reduce ultraviolet damage to the skin, inhibit melanin deposition, is conducive to whitening the skin, delay aging. Drinking butterfly bean flower tea can also accelerate the body's metabolic rate, promote urination and defecation, reduce the accumulation of metabolic waste in the body, there is a detoxification effect.