A non experimental, descriptive study was carried out to assess the pre-operative state anxiety among patients undergoing urology and nephrology surgery. Sample size for the present study consists of 30 in-patients who was admitted in male and female ward for renal surgery under urology and nephrology department. Non probability convenient sampling technique was adapted for the selection of samples. The tool was prepared by reviewing literature. Based on that standardized Spielberg state anxiety scale was selected to assess the anxiety level of the samples. The present study revealed that majority of samples, 73% had moderate anxiety, 24% of samples had mild anxiety and 3% of samples had severe anxiety among patients undergoing nephrology and urology surgery. The study also revealed that there was a significant association between the level of pre-operative state anxiety on the one day before the surgery and on the day of surgery.