If you want to prevent dogs from contracting infectious diseases, then It is best to do the following: First, strengthen management, carry out scientific feeding and management according to the characteristics of different seasons, different breeds and different growth stages, improve the physical fitness of dogs, thereby enhancing resistance; second, strengthen vaccination, In order to prevent the occurrence of infectious diseases, we should adopt the method of self-propagation and self-support as much as possible to avoid contact with infectious diseases from other places. And let dogs receive timely vaccinations, which can effectively control the epidemic of canine diseases; third, regular deworming can eliminate parasitic diseases and ensure the health of dogs; fourth, strictly implement the disinfection system, in order to effectively prevent the spread of external pathogens To prevent the introduction of kennels, strict implementation of the disinfection system is an important measure to eliminate pathogenic microorganisms; fifth, do a good job in environmental sanitation, pay attention to cleanliness, and keep the kennel clean. A good living environment can effectively prevent the spread of diseases.