恶性肿瘤患者由于肿瘤细胞无止境地分裂、增殖而不断地消耗宿主的营养物质 ,以及宿主因荷瘤状态所存在的代谢紊乱 ,机体常存在不同程度的营养不良 ,严重者导致恶液质。营养支持已成为当今肿瘤患者综合治疗的重要组成部分。然而 ,传统的含平衡氨基酸的肠外营养支持虽能改善患者 Malignant tumor patients constantly consume host nutrients due to tumor cells dividing and multiplying unceasingly, and the metabolic disorder of the host due to the tumor-bearing state. The body often has malnutrition to varying degrees, and severe cases cause dyscrasia. Nutritional support has become an important part of the comprehensive treatment of cancer patients today. However, traditional parenteral nutrition support with balanced amino acids can improve patients