Objective:To explore the effect of fenestration gasified by electron treatment device on nasalvestibularcyst.Methods:63 cases with fenestration of nasalvestibularcyst gasified by electron treatment device. Results:All the patients were healed without any complication or recurrence after more than one year of follow-up visit. Conclusion: Fenestration of nasalvestibularcyst gasified by electron treatment device offers a safe and effective method for nasalvestibularcyst.