Patients with hoarseness and cough with phlegm often have an acute and chronic inflammatory state of the throat. The mucous membrane of the pharynx is often markedly congested, swollen, and with secretions adhering to the back wall of the throat. The mucous membrane of the vocal folds is often acute and chronic inflammatory factors, resulting in acute and chronic congestion and swelling as well as edema, which can lead to poor closure of the vocal folds and further cause hoarseness. The causes of this symptom include excessive use of the voice, diet and environmental factors, as follows: 1. Excessive use of the voice: The appearance of this symptom is often related to the patient’s prolonged and excessive use of the voice. 2. Environmental factors: It may be related to the patient’s excessive smoking, drinking, eating spicy and stimulating food, and exposure to air pollution. If hoarseness persists for a long time, further electronic laryngoscopy should be done to clarify the specific status of inflammation in the larynx and the presence of laryngeal polyps, papillomas and other proliferative organisms. According to the specific condition, targeted treatment measures should be taken.