Colds can cause a hoarse throat due to inflammatory reactions in the upper respiratory tract, or throat damage caused by violent coughing. 1. Inflammatory response of the upper respiratory tract: a common cause of colds is viral infection of the patient’s upper respiratory tract causing an inflammatory response, resulting in congestion and edema of the mucous membranes of the pharynx, which can be accompanied by pain and discomfort in the throat. When the formation of vocal cord inflammation or pharyngitis, the patient can appear obvious sore throat, and hoarseness of the symptoms. 2. Violent cough: When a cold patient coughs violently, it can cause damage to the throat or vocal cords, which in turn causes hoarseness. When a cold patient has hoarseness, it is recommended that the patient consult a doctor in a timely manner, under the guidance of the doctor to carry out nebulized inhalation.