力尔凡作为新型的α－溶血性链球菌株ZA－１经深层发酵、精制提取的多肽类物质，具有抑制和杀伤肿瘤细胞、保护骨髓、提高机体免疫力之功效。为了减轻化疗药物的不良反应、增强其抗肿瘤效果，提高缓解率和生存质量，我们在常规化疗方案中加用力尔凡，收到良好效果，现报告如下? As a novel α-hemolytic streptococcal strain ZA-1, Levan, through deep fermentation and refined polypeptide, has the effects of inhibiting and killing tumor cells, protecting bone marrow and enhancing immunity of the body. In order to reduce the adverse effects of chemotherapy drugs, enhance its anti-tumor effect and improve the remission rate and quality of life, we add routine Erfan who received good results, the report is as follows?