Shortness of breath from a cold may be caused by the following aspects: First, the most common is the symptoms of the cold itself, the common symptoms of the cold are nasal congestion, sneezing, increased nasal secretions, which may cause the patient to breathe poorly and feel short of breath, at this time, you can take oral anti-cold medications such as phenomethamine tablets, or use furosemide nasal drops to improve the symptoms. Second, if the cold shortness of breath accompanied by chest tightness, this time to be alert to the possibility of combined viral myocarditis, improve the electrocardiogram, cardiac enzyme test to help exclude and diagnose. Third, if elderly patients with hypertension, diabetes, coronary heart disease and other underlying diseases have symptoms of shortness of breath when they have a cold, it is necessary to analyze whether the combination of heart failure, it is best to improve chest CT, ECG, cardiac enzymes, BNP, cardiac ultrasound and other related tests, and if necessary, hospitalization for further systematic observation and treatment.