The invention relates to an anticoccidial traditional Chinese medicine preparation and a preparation method thereof. The anticoccidial traditional Chinese medicine preparation mainly comprises the following components: giant knotweed, notoginseng, rhubarb and halofuginone. The anticoccidial traditional Chinese medicine preparation has the characteristics that the anticoccidial traditional Chinese medicine preparation not only can quickly inhibit and kill coccidia oocysts, but also effectively stops bleeding, quickly repairs the intestinal impaired mucosa, effectively prevents the coccidiosis from recurring, and does not affect the feed-meat ratio of poultry; meanwhile, the solution form is adopted, and the anticoccidial traditional Chinese medicine preparation can be evenly dispersed in water, so that the anticoccidial traditional Chinese medicine preparation is convenient to take, waste is reduced, the dose is ensured, the bioavailability is improved, and a drinker is not blocked.