This creation is a kind of improved luminous buoy.The utility model comprises a light-emitting unit.A power unit and an insulation kit,The light-emitting unit comprises an insulating base.And at least one illuminant provided on the insulating base,And the luminous system has a negative conductor arranged in an insulating base.And a positive conductor extending out of the insulating base;The power unit is electrically connected with the light-emitting unit.One end of the electrode is a first electrode connected with a negative conductor.The outer edge of the power unit is provided with a second electrode connected with the positive conductor;And the insulation kit,It is sleeved on the outside of the light-emitting unit and the power unit.Thus, the light-emitting unit can capture the electric power of the power unit to send out light source, which can be used to judge the use of fishing information during fishing at night, and the insulating kit can be used to prevent the light-emitting unit and the power unit from moisture due to water seepage, so as to avoid oxidation, rust, easy to use and extend the service life.本創作係一種改良式發光浮標,其包含有一發光單元、一電力單元以及一絕緣套件,該發光單元包含有一絕緣座、及至少一設於絕緣座上之發光體,而該發光體係具有一設於絕緣座中之負極導體、及一延伸出絕緣座之正極導體;該電力單元係與發光單元電性連接,其一端係具有與負極導體連接之第一電極,且該電力單元外緣係具有與正極導體連接之第二電極;而該絕緣套件,係套接於發光單元與電力單元之外部。藉此,可使發光單元擷取電力單元之電力發出光源,作為夜間釣魚時判斷漁訊之使用,且使用時可利用絕緣套件防止發光單元與電力單元因滲水而產生受潮,達到避免氧化生鏽、易於使用以及延長使用壽命之功效。