Don't forget me, it is cool, sweet and bitter, and has the effects of clearing liver, improving eyesight, nourishing yin and benefiting qi, and clearing away heat and toxic materials. Flos Magnoliae is warm, astringent and slightly bitter, and has the effects of regulating menstruation and promoting blood circulation and treating dysmenorrhea; Lycium barbarum is warm and sweet, and has the effects of nourishing liver and kidney, tonifying middle energizer and benefiting qi. These flowers and plants can be matched at will and can be safely drunk. If the bitter taste is too heavy, honey and rock sugar can be added to make it taste better.