Use this recipe: mint 15g, pueraria lobata 20g, lophatherum gracile 10g, licorice 10g, salvia miltiorrhiza 20g, Prunella vulgaris 10g, Cyperus rotundus 20g, dried tangerine peel 20g, grind them into powder, then drink a spoonful, or make balls with honey, such as mung bean size.