An article of outdoor foldable furniture with a lamplight decoration structure includes a frame body and a foldable component for connecting the frame body. The frame body is provided with at least one light bar groove. The foldable component includes a first connecting part, a folding part, and a second connecting part. The first and second connecting parts are closed and extended through the folding part. The first connecting part and/or the second connecting part are provided with a luminous body mounting groove. The luminous body mounting groove is correspondingly disposed in the light bar groove of the frame body. A lampshade, provided with a light guide bar, is mounted in the light bar groove of the frame body. A light-emitting unit corresponding to the light guide bar is mounted in the luminous body mounting groove. A controller is conductively connected to the light-emitting unit through flexible wires.