Aim: The purpose of this study is to investigate the level of dental anxiety among patients undergoing endodontic treatment. Materials and Methods: This is a prospective study composed of a survey was used for the study on a simple of 200 patients aged 18-60 years attending endodontic clinic both male and female. The survey was conducted using electronic copies of questionnaire. Data collected were analysed using SPSS version 23. Results: A total of 200 participants responded to the survey, the majority being female and between the age group 18-29 years. Eight patients were found to be fearful of having root canal treatment. Twelve were feeling toward seeing anesthesia needle. Nine were feeling toward waiting while the drill ready. Thirteen were having fear toward pain during pulp removal. Six found fearing toward sensation of root canal files. Five were to be afraid toward unpleasant taste of endodontic solution. Thirteen each were afraid of having multiple radiographs and was found afraid after first visit of root canal treatment. Conclusions: Patient anxiety toward endodontic treatment is related to different factors. The important tasks of practitioner to understand patient anxiety and methods to allay. Key words: Anxiety; Fear; Endodontic treatment