The invention provides a medicine which can be used to effectively treat swine high fever. The drug efficacy components are produced with the raw materials in the following parts by weight: gypsum is 100 to 200 parts, scutellaria is 80 to 150 parts, dried rehmannia root is 80 to 150 parts, moutan bark is 80 to 150 parts, atractylodes rhizome is 80 to 150 parts, phellodendron bark is 80 to 150 parts, cape jasmine is 80 to 150 parts, and rhubarb is 80 to 150 parts. Together with pharmaceutically acceptable carrier, the medicine can be produced into various dosage forms, such as powder, mixture, tablets, capsules as well as granules, etc. The medicine is suitable for symptoms of damp heat accumulation, high fever, spirit depression, inappetence, cough and dyspnea, disturbance in respiration, even pneumonia, and constipation which are caused by gradual intrusion of toxic heat into nutrient and blood, and induced weak fetus, even dead fetus and mummy fetus, etc. when the toxic heat attacks pregnant pigs. The medicine has good curative effect for weanling pigs, fattening pigs and brood sows, with up to 85 percent total effectiveness rate.