A dry cough and hoarseness in the throat may be related to chronic laryngitis, laryngeal cancer, reflux laryngitis and other causes. 1. Chronic laryngitis: the exact cause is not very clear, it may be related to excessive use of voice, long-term smoking, acute laryngitis repeated attacks and other factors. It may be manifested as hoarseness of voice, which is also the main symptom, as well as dryness of the throat, sore throat, dry cough and other symptoms. 2. Laryngeal cancer: the cause is not clear yet, and it may be related to long-term smoking, drinking alcohol, stomach acid stimulation and other factors. It may manifest as hoarseness, throat discomfort, dry cough, pain, as well as symptoms such as choking on food, difficulty in swallowing, difficulty in breathing and so on. 3. Reflux pharyngitis: it may be related to the reflux of gastric contents leading to throat injury, Helicobacter pylori infection, poor dietary habits and other factors. It can be manifested as hoarseness, foreign body sensation in the throat, dry cough, pain, as well as asthma attacks, dyspnea, acid reflux, heartburn sensation and other symptoms. Dry throat cough hoarse voice, may also be related to laryngeal tuberculosis, etc., need to go to the hospital in a timely manner, after a clear diagnosis to follow the doctor’s instructions for treatment, avoid self-medication.