This work is about a mosquito catching device.Its internal components include an upper opening area,I. power supply device,I. control circuit,More than one lighting unit,Titanium dioxide parts,A fan,A holding groove and a row of water channels；The connection mode of the member is that titanium dioxide parts are arranged in the upper opening area.And more than one lighting unit and drainage channel are arranged around the titanium dioxide part.The lower part of the fan is connected with a holding groove.The mosquito catching device uses photocatalyst reaction to generate titanium dioxide into carbon dioxide.A mosquito catching device for luring mosquitoes close.And a fan sucks the mosquito into the holding tank to complete the mosquito catching function.本創作係關於一種捕蚊裝置，其內部構件包括有一上部開口區、一供電裝置、一控制電路、一個以上的照明單元、一二氧化鈦件、一風扇、一容置槽以及一排水道；構件之連接方式係於該上部開口區中設有二氧化鈦件，並於該二氧化鈦件周圍設有一個以上照明單元與排水道，該風扇下方連接容置槽，該捕蚊裝置為利用光觸媒反應產生將二氧化鈦轉化為二氧化碳，誘使蚊蟲靠近之捕蚊裝置，並由風扇將蚊蟲吸入該容置槽使其完成捕蚊之功用。
