The utility model relates to a pendant device with mosquito prevention effect.Including a pendant body,A mosquito prevention device,A fixed part and a cover body,Wherein: the pendant body has a holding space.A fixed part is arranged at the top of the pendant body.The side end of the pendant body is provided with a pendant；The mosquito prevention device is an adsorbent.The adsorbent is used for adsorbing mosquito repellent liquid and is arranged in the holding space of the pendant body；The fixed part limits the adsorber to the holding space of the pendant body.And the fixing piece is provided with an emission hole；The cover body has a cover part and a buckle part.The cover will cover the fixed part and the mosquito proof device into the holding space of the pendant body.The fastening part is buckled to the fixing part of the pendant body.And the cover part of the cover body is provided with a corresponding vent hole relative to the vent hole position of the fixed part.And the vent hole is partially or completely covered by the vent hole when the cover body rotates.一種具防蚊效果的吊飾裝置，包括一吊飾本體、一防蚊裝置、一固定件及一蓋體，其中：該吊飾本體具有一容置空間，且該吊飾本體頂端設有一固定部，該吊飾本體側端設有一吊掛件；該防蚊裝置為一吸附體，該吸附體用以吸附防蚊液並容置於吊飾本體之容置空間；該固定件將吸附體限位於吊飾本體之容置空間，且該固定件設有散發孔；該蓋體具有一蓋部及一扣合部，該蓋部將固定件及防蚊裝置蓋合入吊飾本體之容置空間，該扣合部扣合至吊飾本體之固定部，且該蓋體之蓋部相對於固定件之散發孔位置而設有相對應之散出孔，且使該散出孔在蓋體轉動時以部分或全部地蓋覆住散發孔。
