生长激素抑制因素（ＳＳ）具有神经内分泌功能，在脑脊液和血浆中均存在，但能否用血浆ＳＳ来间接替代脑脊液ＳＳ的研究尚未见报道。现将我们采用放射免疫方法测定脑脊液与血浆ＳＳ的研究报告如下。资料与方法无神经系统疾患且不影响ＳＳ分泌的急性阑尾炎术前患儿１９例，其中 Growth hormone inhibitory factor (SS) has neuroendocrine function, which exists in both cerebrospinal fluid and plasma. However, it has not been reported whether SS can be indirectly replaced by plasma SS. Now we use radioimmunoassay method for the determination of cerebrospinal fluid and plasma SS research report is as follows. Materials and Methods 19 cases of acute appendicitis without neurological disorders and without affecting the secretion of SS in preoperative children