Obturator foramen is large opening present in the hip bone below to the acetabulum the opening is very useful to surgeon for approaching a urinary bladder & pelvic viscera while surgery, the study is conducted on 154 human dry hip bone. The mean ±S.D value of Width, Height & Shapes of obturator foramen were 43.47 ± 4.89mm, 32.90 ± 3.98mm & 34.42% oval, 65.58% triangular Shape respectively. The parameter was taken the study is significant & providing reliable knowledge to the clinicians.