Yao medicine compound bidens alba tablets for treating chronic pharyngitis and preparation method thereof

The invention discloses Yao medicine compound bidens alba tablets for treating chronic pharyngitis and a preparation method thereof. The tablets comprise, by weight, 25-35 parts of bidens alba, 25-35 parts of wedelia chinensis, 15-25 parts of platycodon grandiflorum, 18-28 parts of lily, 18-28 parts of radix pseudostellariae, 10-16 parts of prepared nux vomica, 10-16 parts of bombyx batryticatus, 12-24 parts of lalang grass rhizome, 10-18 parts of caulis bambusae in taeniam, 9-20 parts of kelp, 20-30 parts of mint root, 17-28 parts of jasmine, 5-16 parts of cortex lycii radicis and 8-18 parts of Chinese wolfberry fruit. The Yao medicine compound bidens alba tablets having effects of clearing away heat and toxic materials, expelling phlegm to arrest coughing and promoting saliva secretion and relieving sore throat are easy in material obtaining, convenient to prepare, definite in curative effect, safe, economical, and free of evident toxic and side effects.