First of all, parenteral nutrition should be given to dogs by infusion to prevent malnutrition during the treatment period; the current main medication method is to use specific canine parvovirus monoclonal antibody or canine parvovirus monoclonal antibody. Free serum and interferon, etc., so that the dog can produce antibodies in the body within 7 days of the onset, so that the parvovirus can be cured.