化疗是目前现代医学临床中用来治疗癌症的有效方法之一。但是,现今化疗药物的共同缺点是“敌我不分”,致使大多数癌症患者出现恶心,呕吐、食欲减退、不思饮食、白细胞聚然下降等多种不良症状,有的在此基础上并发其他疾病。国外医学家经过多年的研究认为,其主要原因是癌症患者在接受化疗的治疗中,机体中的维生素A被 Chemotherapy is currently one of the effective methods used to treat cancer in modern medical clinics. However, the common disadvantage of today’s chemotherapy drugs is that “the enemy and the enemy are indistinguishable,” leading to the majority of cancer patients with nausea, vomiting, loss of appetite, not eating, leukocytic aggregation and other adverse symptoms, and some on this basis concurrent with other disease. After many years of foreign medical scientists believe that the main reason is that cancer patients in the treatment of chemotherapy, the body of vitamin A