The invention relates to Chinese herbal medicament oral liquid for treating chicken colibacillosis, which is a preparation prepared from the following raw materials in part by weight: Chinese pulsatilla root 4-6, golden thread root 2-4, baical skullcap root 2-4, amur corktree bark 1-3, ash bark 1-3, white paeony root 1-3, dark plum 1-3, medicine terminalia fruit 1-2, campanumaea pilosula 1-3, astragalus root 1-3 and liquoric root 1-2. The raw materials are crushed, mixed, boiled in water for extraction, the extract is packed and packaged, and the oral liquid of the invention is manufactured. The Chinese herbal medicament oral liquid has a remarkable treatment effect on chicken colibacillosis.