Described the main breeds of dogs and cats that are bred in Ukraine, keeping, feeding, methods of fixing and transporting these animals, personal prevention measures when communicating with them. Characteristics of infectious, invasive, surgical, internal non-contagious and obstetric-gynecological diseases of dogs and cats are given. Considerable attention is paid to both pre-medical and qualified veterinary care for four-legged human friends. In the 3rd "building, new information is given about the treatment of enteritis, hepatitis, the causes and treatment of liver cerrosis, pneumonia, etc. For students and students of veterinary educational institutions, veterinary specialists, animal owners, hunters.