Conclusion the key of dereasing misiagnosis of sacroiiac joint disease should enhance recognization of this illness , pay attention to detail somatoscopy , check enough to image examination , correct examination method and exact analysis of information 结论提高对骶髂关节疾病的认识,详细询问病史及物理学检查、影像学检查,是减少本病误诊的关键。