This is a double-blinded clinical trial conducted on patients who needed inguinal hernia surgery. We recruited patients over 10 and all recurrent, strangulated, sliding, or gangrene hernias were excluded from study. After Ethical committee approval, 80 patients were allocated into 2 groups using block-randomized and also informed consent were taken. Using interview, demographic data was collected. Bupivacaine 0.5 Mg / kg diluted in 5 ml normal saline injected subcutaneously in intervention group. The placebo group received only 5 cc of normal saline. Within 24 hours and 48 hours after surgery patients pain measured using visual analogue scale in both groups.