Opypeptide agents synthesized and excreted from immunocyte or nonimmune cells are called cytokines. 机体的免疫细胞和非免疫细胞合成和分泌的小分子多肽类因子统称为细胞因子。
The main object is to stimulate the body immunocyte by various means, which will improve body immunity and kill tumor cells. 其主要目的都是通过各种方式刺激机体的免疫细胞，提高机体免疫力，杀伤肿瘤细胞。