The invention discloses a pharmaceutical composition for treating animal babesiasis. The pharmaceutical composition consists of 
artemisia apiacea, Tibetan capillary, 
rheum officinale, gentian, 
radix bupleuri, Chinese 
angelica root, 
akebia stem, rhizoma alismatis, rhizoma atractylodis macrocephalae, poria cocos and liquorice, wherein the 
artemisia apiacea is used for preventing 
malaria and clearing heat; the Tibetan capillary, 
rheum officinale, gentian and the like have the functions of removing 
toxicity, eliminating dampness and removing 
jaundice; the rhizoma alismatis and 
akebia stem have the functions of discharging heat and inducing 
diuresis; the 
radix bupleuri is used for soothing the liver and clearing heat while the Chinese 
angelica root is used for tonifying and activating blood; and the poria cocos and rhizoma atractylodis macrocephalae are used for invigorating the 
spleen and promoting 
appetite. The 
traditional Chinese medicine components supplement each other and cooperate to generate a synergistic effect to inhibit the 
DNA synthesis of babesiasis matrix, block 
metabolism in the babesiasis and inhibit the growth and propagation thereof, so that various symptoms such as alternate lasting 
high fever, 
anemia, 
jaundice, 
constipation and 
diarrhea as well as obvious 
emaciation of the ill animals can be effectively relieved; moreover, the pharmaceutical composition has the functions of clearing heat and removing 
toxicity, promoting 
bile secretion and dispelling babesiasis, discharging heat and cooling blood, nourishing yin and moistening 
dryness, activating blood and resolving stasis and tonifying blood and invigorating the 
stomach, and can realize perfect effects of invigorating the 
stomach, regulating qi and tonifying deficiency and accelerate the 
recovery of 
gastrointestinal function after babesiasis dispelling; and by reinforcing healthy qi and eliminating 
pathogen and treating both symptoms and root causes, the pharmaceutical composition is safe without side effects.