“免疫749”是以人体肺癌细胞悬液免疫健康绵羊、取全血分去红细胞、将血浆及白细胞在真空低温下升华而成的一种生物制剂。本文报告用“免疫749”进行动物实验来探索其免疫活性的初步结果。“免疫749”的提制一、肺癌细胞悬液的制备在手术室内于无菌情况下取肺癌组织,用Hanks液充分清洗除去血液及坏死组织, “Immunity 749” is a biological preparation made by immunizing healthy sheep with human lung cancer cell suspension, taking whole blood to red blood cells, and sublimating plasma and white blood cells at a low vacuum temperature. This paper reports the preliminary results of its immunological activity using animal immunization 749. “Immunization 749” for the preparation of a lung cancer cell suspension preparation in the operating room in aseptic conditions to take lung cancer tissue, Hanks solution to fully remove blood and necrotic tissue,