Dehumidifying device and vehicle lamp assembly with same

A dehumidification device comprises a support, a drying agent bin is arranged in the support, the drying agent bin is provided with a drying agent replacement opening, and clamping jaws are arranged at the drying agent replacement opening and used for fixing a drying agent in the drying agent bin. An elastic piece is further arranged in the drying agent bin, the elastic piece is fixed in the drying agent bin through a clamping jaw, and the drying agent is used for being arranged between a bottom plate of the drying agent bin and the elastic piece. The drying agent bin comprises a bottom plateand side plates arranged around the bottom plate, and the clamping jaws are arranged at the ends, away from the bottom plate, of the side plates. The support is provided with a fixing plate used for fixing the support to the vehicle lamp assembly, and the fixing plate is arranged at one end of the bottom plate and connected with the bottom plate. The invention further relates to a vehicle lamp assembly which comprises a v