N CWS, as an immune promoter, had obvious anti tumor effects on bladder carcinoma. The mechanism may be that the levels of IL 1, IL 2, IL 6, NK activity and part T lymphocyte subgroups, and human anti tumor immunological function are increased by N CWS.

• N?CWS对膀胱癌具有明显的抗癌效应，其机理为通过提高机体的IL?1 、IL?2 、IL?6 水平和NK 的活性及部分T 细胞亚群，提高机体的抗肿瘤免疫能力。