The invention relates to a formula of a medicament for treating swine high fever and a using method thereof. The medicament is prepared by dissolving 0.5 to 25 percent of Chinese angelica extract, 0.5 to 25 percent of rhubarb extract, 0.5 to 25 percent of Himalayan teasel root extract, 0.5 to 25 percent of common clubmoss herb extract, 0.5 to 25 percent of liquorice root extract, 0.5 to 25 percent of croton seed extract, 0.5 to 25 percent of toad venom, 0.5 to 25 percent of cicada slough extract, 0.5 to 25 percent of radix scutellariae extract, 0.5 to 25 percent of honeysuckle extract and 0.5 to 25 percent of common andrographis herb extract with solvent normal saline to obtain an injection, wherein the sum of the components and the balance is one hundred percent. The medicament has special effects on early and middle high fever, fulminant epidemic diseases from 2006 to 2009, mixed epidemic swine fever blue-eared disease of virus, pathogenic bacteria and worm, pseudorabies, blood worm, toxoplasmosis, lung plague, erysipelas, eircovims, streptococcus, haemophilus diseases, pneumonia, bronchitis and abdominal respiration and can relieve nose and mouth foaming in two hours.