Q fever is a zoonotic and infectious disease. It does not usually show clinical signs in cattle, sheep, goats and other animals, but can be transmitted to humans. In humans it can cause an acute and sometimes severe disease characterized by sudden onset, severe headache, high fever and often presenting with interstitial atypical pneumonia. So what are the specific preventive measures? 1, foreign use of ether-impregnated yolk sac vaccine and live, weak vaccine to prevent Q fever in veterinary personnel, breeders and slaughterhouse staff, but the preventive effect is inconsistent. 2.Other measures to prevent the spread of pathogens include the Pasteur high-temperature method to sterilize fresh milk, strict disinfection treatment or incineration of placenta, bedding and secretion and excretion contaminated materials of diseased sheep (including cattle), and elimination of infectious agents. 3.Eliminate the vector of infection, including the elimination of ticks on the bodies of other domestic animals. Commonly used methods of tick eradication: (1) capture. (2) with 0.04% diazinon solution or 0.032% diluted phosphorus, or with 1% trichlorfon aqueous solution spraying or washing livestock body. For the herd with tick parasites, do it once every half month. And spray the floor and wall seams of the barn with the above mentioned solution.