The invention relates to an orally-taken
drug for treating lithangiuria and difficult
urination and a preparation method of the
drug. The formula of the orally-taken
drug comprises the components as follows according to part by weight: 118-122 parts of plantain seeds, 298-302 parts of christina loosestrife herbs, 68-72 parts of spora lygodii, 148-152 parts of talcum
powder, 98-102 parts of light red tuckahoe, 98-102 parts of rhizoma alismatis, 88-92 parts of akebiaquinata, 88-92 parts of hawthorns, 58-62 parts of radix aucklandiae, 98-102 parts of dried
rehmannia roots, 58-62 parts of
licorice roots, and 118-122 parts of
atractylodes macrocephala koidz. The preparation method of the orally-taken drug comprises the steps of mixing and decocting the plantain seeds, the christina loosestrife herbs, the talcum
powder, the light red tuckahoe, the rhizoma alismatis, the akebiaquinata, the hawthorns, the radix aucklandiae, the dried
rehmannia roots, the
licorice roots and the
atractylodes macrocephala koidz according to the above part by weight, adding 15 times of water to decoct for 1.5 hours at first time, adding ten times of water to decoct for 1 hour at second time, filtering the decocted drug by
gradation, combining filter liquor, concentrating the combined liquor into a thick paste with weight ratio of born medical materials being equal to 1:3.42-3.66, adding the 68-72 parts of spora lygodii into the thick paste,
drying, smashing and pelleting the mixture, and subpackaging, thereby obtaining the orally-taken drug. The orally-taken drug has a stable preparation technology, realizes a reliable
curative effect, and has a significant effect on treating lithangiuria and difficult
urination.