The present invention relates to a formulation to treat coccidiosis. More particularly, present invention relates to a formulation prepared from Allium Odorum, Allium sativum, Tinospora cordifolia, Adhatoda vasica and Tridax procumbens to treat coccidiosis. The formulation prepared according to present invention is effective for the treatment of coccidiosis. The herbal composition used in present invention provides relief to the poultry without any side effect. The present invention provides an effective and low cost method for treating coccidiosis .