Canine parvovirus is generally caused by external infections, colds, improper diet, etc. If the dog’s resistance is relatively low, it will be easily infected when it is sick or exposed to the virus, so it is important to Do a good job of prevention, vaccinate your dog on time, pay attention to your dog's diet, and do not feed your dog random food, especially chicken bones, to avoid causing gastroenteritis-type canine parvovirus.