PICTURE FRAME DEVICE

A picture frame device includes a main frame unit and a first pressing unit. The main frame unit includes a frame body having a front plate, two connecting plates extending integrally and backward from two opposite sides of the front plate respectively, and two extending plates extending integrally and respectively from the connecting plates and toward each other. The front plate, the connecting plates and the extending plates cooperatively define an accommodating space. The frame body is made of a transparent plastic material. The first pressing unit includes a plurality of first fastening portions respectively disposed on the extending plates, and a plurality of first pressing portions respectively disposed on the first fastening portions in a way that each first pressing portion is moveably engaged with one of the first fastening portions and moveable toward or away from the front plate.