& ltb>'s suggestion: It is mostly used in clinic to treat halitosis and chapped skin caused by spleen and stomach weakness, or skin roughness, chlorosis, chloasma, pigmentation, whelk and acne caused by deficiency of qi and blood. But this prescription is not immutable, and can be added or subtracted according to different symptoms. Moreover, this prescription is mostly used for warm administration after being decocted into liquid medicine. If it is brewed as a tea package, it should be finely ground. Good wishes!