A mulberry leaf herbal tea for clearing heat and expelling dampness and a preparation method therefor, consisting of components in the following parts by weight: 30-50 parts of mulberry leaf, 5-15 parts of Prunella vulgaris, 3-10 parts of Artemisia capillaries, 5-15 parts of white chrysanthemum, 3-10 parts of sevenlobed yam rhizome, 3-10 parts of glabrous greenbrier rhizome, 3-10 parts of coix seed, 3-10 parts of licorice, 3-10 parts of green tea, 3-10 parts of bombax flower, 3-10 parts of Plumeria rubra, 5-15 parts of Houttuynia cordata, 3-10 parts of crystal sugar, 5-15 parts of cassia seed, 5-15 parts of plantain herb and 3-10 parts of Fritillaria cirrhosa. The herbal tea is prepared by drying the various raw materials, crushing and then boiling the same with water.
