Loss of voice and breathlessness, it is recommended that the patient is best to first go to a regular hospital for examination and follow the doctor’s instructions for standardized treatment. This situation often occurs in laryngitis, respiratory stenosis and so on. 1. Laryngitis: hoarseness is the main symptom of acute laryngitis, due to congestion and edema of the mucous membrane of the vocal folds, the voice is rough and low at the beginning, and then becomes hoarse, and in severe cases, the voice is completely lost. And may cause chest tightness and breathlessness, but also with cough, sore throat, nasal congestion, runny nose, chills, fever and other symptoms. 2. Narrowing of the airway: due to inflammation, foreign bodies, tumors, scarring, etc., narrowing, ventilation dysfunction occurs. It usually manifests as inspiratory dyspnea (breathlessness), dysphonia, hoarseness (in severe cases, the voice may be lost), and accompanied by wheezing and laryngeal ringing. This symptom alone is not enough to diagnose the disease, and there may be other factors causing it. It is recommended that the patient consult a doctor to clarify the cause of the disease and give targeted treatment.