The utility model relates to a mosquito catching fan device, which comprises a fan device, which is provided with an electric motor, a fan blade which can be driven by the electric motor to rotate, and a front guard net and a back guard net which can be combined with each other at the front and back of the fan blade； a power grid is arranged between the fan blade and the back guard net； a light source device matching the shape and size of the power grid is arranged at the rear of the fan blade and the electricity. The front surface of the net can be used as a light source device with a larger area and scope inside the fan device to supply air and kill mosquitoes at the same time.一種捕蚊風扇裝置，包含一風扇裝置，該風扇裝置設有一電動馬達，一可由該電動馬達驅動旋轉的扇葉，以及遮護於該扇葉前後面可互相併合的前護網及後護網；一電網設於扇葉及後護網之間；一配合該電網形狀及大小的光源裝置則裝設於所述扇葉後方以及所述電網前方表面；從而能以風扇裝置內部更大面積及範圍的光源裝置，在所述風扇裝置送風同時捕殺蚊蟲。
