The incidence of retroperitoneal tumor is low, and treatment is difficult.According to the recent updates of evidence-based medical evidence at home and abroad, the consensus on the standardized treatment of retroperitoneal tumors were discussed including examination and diagnosis , surgical treatment comprehensive treatment, nutrition, rehabilitation, and review and follow-up, etc.腹膜后肿瘤发病率低,治疗困难,术后复发率高。国内尚缺乏全国性、规范性腹膜后肿瘤诊治指南或共识。根据近年国内外循证医学证据,以及中国学者对腹膜后肿瘤研究的不断深入,我们对腹膜后肿瘤的规范化诊治进行了探讨,包括腹膜后肿瘤的检查、诊断、外科治疗、综合治疗、营养康复以及复查和随访等。.