The invention provides a pharmaceutical composition for treating infectious pancreatic
necrosis of
rainbow trout and a preparation method of the pharmaceutical composition. The pharmaceutical composition comprises the following raw herbal materials: coriander, cape jasmine, dayflower,
scutellaria baicalensis,
coptis chinensis,
bark of ash, radix sophorae flavescentis, common
andrographis herb,
cyrtomium fortune, rhizoma fagopyri dibotryis, sargentgloryvine stem, herba patriniae, Chinese
lobelia, bunge cherry seed,
daphne genkwa, pokeberry root, pawpaw,
liquidambar formosana hance, caulis sinomenii,
geranium wilfordii maxim, poria cocos, rhizoma alismatis, calabash,
hovenia dulcis
thumb, shepherd's purse, hirsute
gonostegia herb with root, root and
rhizome of canton fairybells, tiger ginger, calophanoides chinensis, dill seed, Indian
rorippa herb, dendrobenthamia capitata hutch, argemone mexicana and lupuline bugle. The pharmaceutical composition disclosed by the invention has the efficacies of inducing
diuresis and detoxifying, and tonifying the
spleen and stopping bleeding on treatment of the infectious pancreatic
necrosis of
rainbow trout; environmental-friendly pure natural medicinal materials are adopted, so that the pharmaceutical composition is free of
pollution, directly acts focus in pharmacological effect, and is significant in
curative effect, and is capable of improving the fleshy
nutrition of the
rainbow trout; and the
rainbow trout can has a good health function on the
organism after being eaten.