1 Conclusions Cordectomy with KTP laser can result in good effect and less injury.

2 Objective:To explore the advantage of KTP laser cordectomy in the treatment of early glottic carcinoma.

3 Objective To evaluate the role of cordectomy to treat early glottic squamous cell carcinoma.

4 Objective To make an assessment of the reconstruction of dogs vocal cord after cordectomy in experimental study.

5 Objective To investigate the long term effectiveness of laser cordectomy under microscopic endolaryngoscopy in treating early phase glottic cancer.

6 Methods:Among them, 19 cases were given laryngiofission combined with cordectomy, 37 for vertical partial laryngectomy and 7 for horizontal partial laryngectomy.