A multifunctional outdoor chair device comprising a base unit, a power storage unit, and a catch mosquito unit. The base unit includes two parallel seat body, each seat body defining a receiving space and having a mounting opening, and the two mounting openings are set to each other. The power storage unit includes a base plate, a solar panel, and two storage appliances. The base plate is connected to the two seat body, the solar panel provided in the base plate, the two storage appliances are electrically connected with the solar panels, the solar panels absorb solar energy and stored in the two storage appliances. The catch mosquito unit includes two catch mosquitoes fans, the storage appliances provides power to the catch mosquito fans operating.一種多功能戶外椅裝置,包含一基座單元、一蓄電單元,及一捕蚊單元。該基座單元包括二平行併列且間隔撐立於地面之座體,每一座體圍繞界定出一容置空間,並具有一開設於該座體上且與該容置空間相連通之安裝口,且該二安裝口是對向設置。該蓄電單元包括一連接該二座體之座板、一設置於該座板上之太陽能板,及二分別與該太陽能板電連接並位於該二容置空間中之蓄電器,該太陽能板會吸收太陽光能並儲存於該二蓄電器中。該捕蚊單元包括二分設於該二安裝口上之捕蚊扇,該蓄電器提供該捕蚊扇運轉所需之電力。31‧‧‧座體311‧‧‧安裝口312‧‧‧蓋板313‧‧‧抽取口314‧‧‧排氣口32‧‧‧收集盒41‧‧‧座板42‧‧‧太陽能板44‧‧‧透光保護層5‧‧‧捕蚊單元53‧‧‧重量感測器6‧‧‧充電單元61‧‧‧充電埠7‧‧‧照明單元71‧‧‧誘蚊燈72‧‧‧照明件73‧‧‧光線感測器A‧‧‧電子裝置