The role of salvia miltiorrhiza: promoting blood circulation and regulating menstruation, cooling blood and eliminating carbuncle, calming the nerves; The role of cassia seed: clearing liver and improving eyesight, moistening intestines and relaxing bowels; The role of Schisandra chinensis: astringing lung and nourishing kidney, promoting fluid production and astringing sweat, astringing essence and stopping diarrhea, calming the heart and calming the nerves; The role of white chrysanthemum: dispersing wind and heat, calming the liver and improving eyesight, clearing away heat and detoxifying; The role of Lycium barbarum: nourishing liver and kidney, improving eyesight; These can be used together to clear away heat and nourish yin, moisten intestines and relax bowels, nourish yin and tonify kidney.