A sound in the throat is referred to in clinical terms as croup or shortness of breath, and croup and shortness of breath can be seen in a variety of respiratory diseases. In children, it can be seen in bronchopneumonia and bronchial asthma, and in adults, it can be seen in bronchial asthma, chronic obstructive pulmonary disease, and bronchopneumonia, among others. Patients with pulmonary tuberculosis who do not have significant airway involvement will not have symptoms of croup and shortness of breath, but will mostly present with symptoms of tuberculosis toxicity such as fever, night sweats, cough, and weakness. If a patient with endotracheal tuberculosis develops airway obstruction, he or she may also exhibit croup and needs to be on high alert. Other elderly people with emphysema in heart failure may also show this sound, and some children with this sound in their throat should pay attention to whether they have swallowed a foreign body, and further examination at the hospital is recommended.