Hello: Prunella vulgaris belongs to clearing away heat and purging gunpowder in traditional Chinese medicine, which has the effects of clearing liver and improving eyesight, dispersing stagnation and reducing swelling; Mulberry leaves and chrysanthemum belong to pungent and refreshing drugs in traditional Chinese medicine, which have the effects of dispersing wind and heat, calming liver yang, clearing liver and improving eyesight; Cogongrass rhizome has the effects of clearing away heat and cooling blood, clearing away lung-heat and relieving cough, and clearing away heat and diuresis. * * * The same soup has the effects of clearing liver, improving eyesight, clearing heat and cooling blood, and dispersing wind and heat.