Swept-sine　method　is　an　accepted　method　used　in　oscilloscope　calibration,　which　can　achieve　accurate　amplitude　response　of　oscilloscope.　But　the　equipment　used　in　swept-sine　method　is　complicated　and　expensive,　and　can＇t　obtain　phase　response.　Nose-to-nose　calibration　technology　mentioned　in　this　paper　is　a　new　kind　of　oscilloscope　calibration　method.　It　can　obtain　not　only　amplitude　response　but　also　phase　response　and　not　be　accepted　by　metrology　of　the　world　yet.　Nose-to-nose　calibration　technology　and　swept-sine　method　are　both　introduced　in　this　paper.　Frequency　responses　got　from　the　two　methods　are　compared,　and　result　indicates　very　nice　coherence　of　two　methods.　It　validated　that　Nose-to-nose　calibration　technology　is　an　effective　oscilloscope　calibration　method　in　frequency　response.　Authors　of　the　paper　recommend　nose-to-nose　calibration　technology　because　both　amplitude　response　and　phase　response　can　be　achieved　by　it.