In　order　to　solve　the　security　issues　existed　in　RFID　authentication　in　recent　years.　A　mutual　identity　authentication　scheme　based　on　dynamic　is　proposed　after　describing　and　analyzing　the　problems　that　RFID　authentication　technology　encounters,　which　can　solve　replay　attack,　man-in-the-middle　attack　and　other　security　issues.　In　addition,　this　paper　also　describes　the　techno　of　Authentication　technology.　The　method　proposed　refers　to　tags　privacy　level　between　Tag　and　Reader　to　achieve　mutual　authentication,　it　not　only　can　enhance　the　privacy　protection　of　the　label　carrier　and　protect　the　identity　privacy　of　the　Reader　holder,　but　also　has　a　certain　effectiveness　advantage.　©　2018,　Springer　Nature　Switzerland　AG.