Abstract:Praziquantel plays an important role in the prevention and control of hydatid disease in dogs. Effective prevention and control of hydatid disease can basically be achieved by regularly administering an appropriate amount of praziquantel to dogs, and promptly disposing of the feces during the medication period. Nowadays, there are many kinds of dogs bred in pastoral areas, including local indigenous dogs, Tibetan mastiffs, pet dogs, huskies, etc. (not pure breeds, but belong to the FN generation, but they are similar in appearance). Whether the breed and age of dogs affect the anthelmintic effect of arsequinone. Studying these factors clearly will help to implement refined medication for dogs in the prevention and control of hydatid disease, and comprehensively improve the efficiency of medication and deworming. This lays a solid foundation for effective prevention and control of hydatid disease.