Objective: To investigate the application value of Fibreoptic Endoscopic Evaluation of Swallowing (FEES)in the evaluation of dysphagia after radiotherapy (chemical) therapy of nasopharyngeal cancer.Methods: 37 NPC patients were treated in M.D.Anderson Dysphagia Inventory(MDADI), Fibreoptic Endoscopic Evaluation of Swallowing(FEES), Video Fluoroscopic Swallowing Study(VFSS), and the examination results were analysed. Results: The positive detection rate of FEES was 70.27%, which was higher than 48.65% in VFSS, P value was 0.0259 (P<0.05),the difference was statistically significant. FEES has good consistency with VFSS (Kappa of 0.358).FEES and MDADI consistency (Kappa value of 0.340) were better than the consistency between VFSS and MDADI (Kappa value of 0.194).Conclusion: FEES can be applied in the evaluation of dysphagia after NPC radio(chemical)therapy, which is worth promotion.