Coughing is a common symptom of respiratory diseases, and many diseases can cause coughing, coughing and vomiting are commonly caused by the following: First, coughing stimulates the diaphragm, causing diaphragm spasm, which can cause vomiting. Second, gastrointestinal colds, gastrointestinal colds, in addition to coughing, coughing, nasal congestion, runny nose and other symptoms of the cold, can also be accompanied by gastrointestinal discomfort, nausea, vomiting, and even diarrhea and other symptoms. Third, the stimulation of drugs, oral medication on the stomach and upper abdomen can produce stimulation causing the desire to vomit.