Objective Discussion on the reasons 、treatment and prevention of endotracheal intubation induced arytenoid dislocation. Methods Retrospective analysis of 4 cases of endotracheal intubation induced arytenoid dislocation in patients with clinical information, on it's treatment methods and effects of discussion. Results 4 cases with hoarseness,sore throat,cough reflex of drinking water,are left arytenoid dislocation. 4 cases of arytenoid dislocation, 3 cases of patients with laryngoscope displayed good, Cormack and lehane gradeⅠlevel,endotracheal intubation one-time success;1 cases,laryngoscope displayed bad,Cormack and lehane grade Ⅳ level, endotracheal intubation three times success. arytenoid dislocation by 1～3 arytenoid after closing switch with basic afte recovery.Conclusion The main reasons of endotracheal intubation induced arytenoid dislocation are:cannula extubation times is inappropriate and intubation of glottis exposure to undesirable.timely discovery and timely treatment and prognosis of good.