Objective:To analyze the therapeutic effects of two resections of the obturator nerve for treatment of the pain of the hip joint.Methods:78 patients with painful hip joint were selected and divided randomly into two groups

group A and group B

in the order of attendance and treated through the in-pelvis and the out-pelvis approaches separately

then followed up closely.The results were accessed according to the Harris score.And the differences of therapeutic effects between the two approaches could be evaluated.Results:Significant differences exits between the therapeutic effects by two approaches through the followed results within both two weeks and three years after operation(P<0.05).However

the pain-relieving effects weakened gradually with time.Conclusions:Pain of the hip joint can be reduced obviously through the resection of the obturator nerve and the in-pelvis one is better.