Butterfly bean flowers are rich in vitamins A, C and E, and can improve immunity, help and promote skin elasticity and collagen, while also supporting the brain, promoting brain vitality, preventing stomach pain, anti-depression, anti-stress, calm, Natural health effects such as convulsions and palliative emotions. The natural blue pigment in the butterfly bean flower is also effective. If you add it to a lemon and make it into a flower tea drink, it is a great drink for health care blood vessels.