This creation is a kind of electronic floating unit structural improvement, main system includes that electronic floating unit ontology, connector, sealing ring and mark tail are constituted, wherein connector periphery is equipped with number grooves for sealing ring is nested with and fills in the connecting hole on solid what electronic floating unit ontology top, the continuous slot by connector is inserted solid and forms electronic floating unit for mark tail, in order to can carry out replacement person when either member is damaged.本創作係一種電子浮標結構改良,主要係包括有電子浮標本體、連接件、密封環及標尾所構成,其中連接件外圍設有數凹槽可供密封環套置而塞固於電子浮標本體頂端的連接孔,續由連接件的插槽供標尾插固而組成電子浮標,俾可在任一構件受損時進行更換者。