Patients with hoarseness, but no pain in the throat, mainly include the following aspects of the problem: 1, the patient may be due to occupational factors usually often speak, the vocal folds are always friction and lead to the emergence of vocal polyps or vocal nodules. 2, the patient’s thyroid gland may have certain problems, such as the thyroid gland has a nodule will be compressed patients laryngeal recurrent nerve, the emergence of hoarseness. 3, the patient’s lungs may have occupying changes, such as lung cancer patients may be due to tumor compression to the nerve, so there will also be hoarseness of the situation. For example, patients with lung cancer may have hoarseness because the tumor compresses the nerves. It is recommended that patients with hoarseness but pain in the throat should go to the hospital for examination, and it is better to improve laryngoscopy, ultrasound of thyroid gland and CT of lungs to make a clear and specific diagnosis.