The invention discloses a drug for treating chronic pharyngitis. The drug is prepared from, by weight, 6 g of dried orange peel, 10 g of rhizoma atractylodis macrocephalae, 10 g of liquorice root, 12g of rhizoma chuanxiong and 15 g of radix ophiopogonis. A manufacturing method comprises the steps that water is added before decoction until the materials are submerged for the depth of two fingers,the materials are decocted with slow fire for 30 min or so, 200 ml of medicine liquid is taken, decoction is conducted for the second time by means of the same method, 300 ml of medicine liquid is taken, and two times of medicine liquid are mixed and taken twice after a meal. Dried orange peel is bitter and pungent in taste and warm in nature, regulates qi-flowing for strengthening the spleen, eliminates dampness and phlegm, and is used for treating tumescence of the chest and the gastral cavity and cough with excessive phlegm; rhizoma atractylodis macrocephalae is bitter and sweet in taste and warm in nature, acts on the spleen and the stomach channel and is used for treating deficiency of the spleen, reduced appetite, abdominal distention and diarrhea, phlegm and retained fluid, dizziness and palpitation; liquorice root is decocted into jugeng decoction for treating pulmonary abscess, and coughing with fishy and purulent sputum which are caused by heat toxin, and decocted into licorice and ginger decoction for treating coughing with saliva; rhizoma chuanxiong is warm in nature, acts on the liver, gallbladder and heart channels, is fragrant and aromatic, and has the functions of invigorating the blood circulation and promoting qi; radix ophiopogonis is sweet and slightly bitter in taste and slightly cold in nature, and acts on the heart, lung and stomach channels. All medicinal materials are compatible to one another, the heat can be dissipated, the exterior syndromes can be relieved, the functions of relieving internal heat or fever, removing stasis, reliving pain and removing inflammation can be well achieved, and chronic pharyngitis can be radically treated.