Tight throat and shortness of breath may be caused by strenuous exercise, enlarged tonsils, laryngopharyngeal reflux and other causes. It is necessary to target treatment according to the cause of the disease. 1. Strenuous exercise: due to the increase in systemic oxygen consumption caused by strenuous exercise, the body does not supply oxygen in a timely manner, resulting in increased respiration and heart rate, resulting in a tight throat and shortness of breath. 2. Enlarged tonsils: over-enlarged tonsils can cause narrowing of the pharyngeal cavity, poor breathing, can now be a tight throat, pharyngeal blockage, and in severe cases, can affect the airway, there can be tightness in the chest, shortness of breath symptoms. 3. Laryngopharyngeal reflux: gastric acid reflux stimulation can cause reflux pharyngitis, patients may manifest as throat tightness, blockage, pressure and other symptoms. Tight throat shortness of breath may also be caused by other factors, if the exclusion of strenuous exercise factors have not been relieved, the patient should consult a doctor in a timely manner to identify the causes and targeted treatment.