Laryngeal trauma includes contusions, crushing injuries, cutting injuries, etc., as well as disfiguring injuries, where the structures of the larynx are completely disfigured. The symptoms of laryngeal trauma can be mild or severe. The first common symptoms are pain and bleeding after the trauma. As the larynx is a respiratory organ, there may be hoarseness of voice and difficulty in breathing, which are common symptoms. Symptoms of laryngeal trauma are divided into: 1, acute laryngeal soft tissue contusion: due to blunt force injury, the main symptom is laryngeal pain and hoarseness, the presence of superficial laryngeal mucous membrane fissure, lung lobe injury and vocal cord hematoma; 2, laryngeal cartilage fracture: this fracture injury due to the external impact of the laryngeal and cervical vertebrae caused by the laryngeal cartilage fracture, fracture of cartilage within the cartilage within the cartilaginous membrane of mucous membrane or cartilage can be ruptured, resulting in submucous hemorrhage, subcutaneous emphysema chondritis and so on. The main manifestations are laryngeal pain, swallowing pain, hemoptysis, dyspnea and so on.