[Purpose/significance]　Technology　gatekeepers　play　a　key　role　in　influencing　the　dissemination　of　new　technology　information,　and　effective　identification　of　gatekeepers　is　conducive　to　better　support　technology　innovation　subjects　in　the　field.　[Method/process]　Based　on　the　definition　of　technology　gatekeeper　and　combined　with　the　theory　of　science-technology　interaction,　this　paper　selected　the　field　of　blockchain　technology　as　the　research　object,　constructed　the　scholar　cooperation　network　and　citation　network,　and　screened　the　gatekeepers　that　promoted　the　flow　of　knowledge　on　the　basis　of　the　original　technology　gatekeeper　identification　method.　[Result/conclusion]　The　experimental　results　show　that　the　gatekeepers　selected　by　this　method　have　a　controlling　and　promoting　effect　in　the　process　of　knowledge　flow.　Compared　with　the　traditional　gatekeepers,　the　gatekeepers　identified　by　this　method　have　a　more　prominent　contribution　and　promoting　effect　on　the　development　of　the　field,　and　have　more　influence　on　the　development　of　the　professional　field.　©　2024　Information　studies:　Theory　and　Application.　All　rights　reserved.