The present invention is a buoy structure improvement, especially a fishing float that can be reused and the tail can be removed from the target body, including a target body and a tail end inserted on the target body. There is a socket for inserting the tail end, and the connection between the standard body and the tail end is provided with a connecting device for facilitating the disassembly and assembly of the tail end from the target body, and the connecting device comprises a detachable and connected sleeve. The tube 1 and the sleeve 2 are fixedly sleeved on one end of the tail end, and the sleeve 2 is fixedly inserted into the insertion slot and protrudes from the target body for a distance.本創作係一種浮標結構改良,尤指一種標體可重複利用、標尾可從標體上拆卸更換的釣魚用浮標,包括標體和插設於標體上的標尾,所述標體上設有用於插接標尾的插接槽,而標體和標尾的連接處設有便於將標尾從標體上進行拆、裝的連接裝置,該連接裝置包括可拆、裝連接的套管一和套管二,所述套管一固定套設於所述標尾的一端上,且套管二固定插設於插接槽內並凸出標體一段距離。