If it is just coughing and vomiting, it may be caused by gastrointestinal discomfort. If it is accompanied by other complications, such as loss of appetite, poor energy, diarrhea and other symptoms, it may be caused by viral infection, respiratory disease, or parvovirus. , requiring timely treatment. Dogs have very sensitive gastrointestinal tracts, so they need to pay more attention to their diet, deworm them on time, supplement nutrition, improve their resistance, keep the environment clean and sanitary, and disinfect regularly.