Patients often report that their voice is easily fatigued, or that they have pain and weakness during vocalization and hoarseness. Indirect laryngoscopy and fiberoptic laryngoscopy showed bilateral vocal fold hypermobility, decreased vocal fold muscle tone, and a pike-shaped cleft on closure. Vocal fold closure incomplete disease refers to the voice, laryngeal muscle weakness caused by insufficient movement of the vocal folds dyskinesia, also laryngeal muscle weakness and vocal fatigue, it is recommended that the best combination of the above clinical symptoms, as well as laryngoscopy to make a diagnosis.