Of canine parvovirus (CPV) is canine parvovirus (CPV) infection, to severe colitis syndrome and myocarditis syndrome characterized by an important infectious diseases. The disease is an acute infectious disease of dogs. Clinical Bingquan more to hemorrhagic colitis or purulent myocarditis as the main features. Sometimes the infection rate can be as high as 100 percent, the death rate of 10% -50%. Basis for dogs suffering from symptoms, epidemiological characteristics can make the initial diagnosis. Then can be CPV kit to detect confirmed. Treatment of CPV mainly cardiac rehydration, anti-bacterial anti-inflammatory, antiemetic, Anti-diarrhea and bleeding, and other symptomatic therapy, and early detection, treatment can improve the cure rate. The disease can occur in various parts of the world, puppies morbidity and mortality high.