Hyoid fracture usually manifests itself in the following ways: 1. pain in the larynx: severe stabbing pain in the pharynx at the front of the neck, especially when extending the tongue; 2. dysphagia: painful swallowing with dysphagia due to restricted tongue movement or the impact of the hyoid fracture fragment piercing into the pharyngeal cavity; 3. hoarseness and loss of voice: tearing of the voice in mild cases and loss of voice in severe cases; 4. dyspnea: if the fracture fragment pierces the pharynx, blood flows into the pharynx, hematoma of the tongue root, edema of the pharynx or backward tilting of the tongue root, and laryngospasm, respiratory distress of different degrees can occur; 5. neck swelling: there is pressure pain in the hyoid bone area, and fracture fragments and friction sounds can be palpated in the early stage; 6. physical examination shows swelling and pressure pain in the hyoid bone area, and sometimes friction sounds of broken bones can be palpated; 7. subcutaneous emphysema: fracture fragments pierce the pharyngeal wall, gas can enter the subcutaneous tissue, and extensive subcutaneous emphysema occurs.