The utility model relates to a fish gathering lamp device, which is suitable for being placed vertically in a water, and comprises a main body unit, a light-emitting unit and a control unit.The main body unit includes an ontology which defines a containing space.A cover made of light transmitting material arranged on the body,And a set of waterproof rings between the body and the cover to close the holding space,The light-emitting unit comprises a circuit board arranged in the holding space.1. A luminous element disposed on the circuit board and close to the cover,And a battery pack located in the holding space and electrically connected to the circuit board,The control unit comprises a dial switch arranged on the circuit board and electrically connected with the light emitting element.Push and pull the dial switch to enable the circuit board to control the opening and closing time of the luminous element.So that the light emitting part emits light from the cover to the water.一種聚魚燈裝置，適用於垂放在一水中，並包含一主體單元、一發光單元，及一控制單元。該主體單元包括一圍繞界定出一容置空間之本體、一蓋設於該本體上且為透光材質所製成之護蓋，及一套設於該本體與該護蓋間以封閉該容置空間之防水套環，該發光單元包括一設置於該容置空間中之電路板、一設置於該電路板上並靠近該護蓋之發光件，及一位於該容置空間中並與該電路板電連接之電池組，該控制單元包括一設置於該電路板上並與該發光件電連接之指撥開關，推撥該指撥開關可使該電路板控制該發光件之啟閉時間，以使該發光件自該護蓋向水中發出光線。
