Loss of voice, most commonly seen in laryngitis, vocal cord nodules or polyps, vocal cord tumors and other diseases that affect the vibration of the vocal cords will appear loss of voice, depending on the disease, the treatment cycle is different. The recovery time for loss of voice is different and may take 1~2 weeks or longer. 1. Laryngitis is caused by bacterial or viral infection of the laryngeal tissues, which triggers congestion and edema of the mucous membrane, resulting in foreign body sensation in the larynx, irritating cough, hoarseness, loss of voice and other symptoms. Generally, it can be treated with anti-inflammatory drugs to reduce swelling and return to normal, and most of them may take about 1~2 weeks. 2. Vocal cord nodule or polyp is due to the excessive friction of the vocal cord tissue triggered by the formation of edema-like swelling, which leads to hoarseness or loss of voice symptoms, first of all, conservative treatment, inhalation of budesonide suspension nebulizer, taking Golden Voice, Golden Voice capsules, etc., which may take 1-2 months to improve; larger polyps require surgical resection, usually 1-2 weeks after surgery, can basically be restored. 3. Vocal cord tumors are benign or malignant tumors that occur on the surface of the vocal cord, which can cause hoarseness, loss of voice, blood in sputum and other symptoms, and most of them need to be treated by surgery. Most tumors, after removal, will cause tissue loss in the larynx, leaving hoarseness in the long term. If you have symptoms of hoarseness, it is recommended to consult a hospital for a clear diagnosis and treatment.