本文介绍的方法是用聚乙二醇polyethylene glycql (简称PEG)作沉淀剂的放射免疫测定方法;经一系列实验证实该法具有灵敏、快速、简便等优点。与双抗体法,放射火箭电泳法及反向间接血凝法对照,证实四种方法测定AFP的量基本相符。因此此法可用于检测肝癌,胎儿先天天折等血清AFP异常疾患。 The method described in this article is a radioimmunoassay method using polyethylene glycol glycql (abbreviated as PEG) as a precipitating agent; a series of experiments confirmed that this method has the advantages of being sensitive, rapid, and simple. In comparison with the double antibody method, radioactive rocket electrophoresis method and reverse indirect hemagglutination method, it was confirmed that the four methods were basically consistent with the determination of AFP. Therefore, this method can be used to detect liver cancer, fetal and other abnormal AFP abnormalities.