Benson's relaxation is the development of a relaxation method that involves the patient's beliefs. Benson's relaxation focuses on certain words or sentences that are repeated repeatedly with a regular rhythm, an attitude of surrender to God according to the patient's beliefs. The purpose of this study was to determine the effectiveness of Benson's Relaxation in reducing pain in patients after Prostate TUR surgery. The research method used quasi-experimental with pre test and post test design with control group. Sampling by consecutive sampling, 50 respondents in the intervention group and 50 in the control group. Benson's relaxation was carried out after 15 minutes of being given analgesics every day for two days. The results of this study found that there were differences in anxiety in the intervention group and the control group before prostate TUR surgery (p = 0.003), but there was no difference postoperatively on the first day (p = 1.000). There was a significant difference in anxiety in the intervention group before and after prostate TUR surgery (p = 0.000). There were differences in anxiety in the control group before and after prostate TUR surgery (p = 0.000). There was no difference in anxiety in the intervention group and the control group after the first postoperative day (p = 1.000, α = 0.005). There was no difference in pain in the intervention group before Prostate TUR surgery (p = 0.021), but on the day of surgery and the first postoperative day there was a significant difference (p = 0.000). There was a difference in pain in the control group before Prostate TUR surgery (p = 0.000) and there was no difference in pain on the day of surgery (p = 0.189) and the first postoperative day (p = 0.927). The average pain before prostate TUR surgery in the intervention group with a scale of 2.86 and the day of surgery changed to 3.06, after the first day of surgery it became 1.46. The results of this study indicate that Benson relaxation and analgesic therapy are effective in reducing prostate TUR surgical pain, but analgesic therapy can also reduce post-prostate TUR surgical pain.