The invention relates to a Chinese herbal oral liquid for treating chicken infective rhinitis. The Chinese herbal oral liquid is prepared from the following raw materials, by weight, 4-6 parts of biod magnolia flower bud, 3-5 parts of siberian cocklebur fruit, 4-6 parts of divaricate saposhnikovia, 4-6 parts of angelica archang lica, 1-3 parts of szechwan lovage rhizome, 0.1-0.3 part of manchurian wildginger herb, and 1-2 parts of licorice root. The preparation method for the oral liquid comprises: weighing biod magnolia flower bud, siberian cocklebur fruit, divaricate saposhnikovia, angelica archang lica, szechwan lovage rhizome, manchurian wildginger herb, and licorice root decoction pieces according to a certain weight ratio, and respectively crushing into crude powder; taking manchurian wildginger herb crude powder, and adopting a distillation method to collect the distilled volatile oil; taking biod magnolia flower bud crude powder, siberian cocklebur fruit crude powder, divaricate saposhnikovia crude powder, angelica archang lica crude powder, szechwan lovage rhizome crude powder, and licorice root crude powder, adding water to the crude powder to soak, and carrying out decocting of the crude powder and the distilled manchurian wildginger herb drug residue through mild fire; filtering to obtain a primary filtrate, adding water to drug residue to carry out decocting two times to obtain a secondary filtrate and a tertiary filtrate, merging the three filtrates, and heating to obtain a concentrate; merging the volatile oil and the concentrate, adding a preservative and water; and carrying out uniform stirring, filtering, filling, and sterilization to obtain the oral liquid. With the present invention, chicken infective rhinitis can be effectively treated.