介绍“尾刺”导弹的敌我识别询问器的组成、应用、特性和工作原理,以及“尾刺”导弹作战过程中的一些情况.这种询问器具有体积小、重量轻、信号传输简单和作战使用灵活等特点.虽然这种询问器与国内研制的询问器在体制上、信号处理等方面有所不同,但仍可为我国研制新一代便携式防空导弹系统询问器提供借鉴. This paper introduces the composition, application, characteristics and working principle of Enemy ID interrogator of “Tail Thorn” missile and some situations during the operation of “Tail Thorn” missile, which has the advantages of small size, light weight, simple signal transmission and combat Flexible use, etc. Although this kind of interrogator is different from that of domestic interrogators in terms of system and signal processing, it can still provide reference for our country to develop a new generation of portable air defense missile interrogator.