Euphotic ceiling-mounted luminaire capable of changing frame

The utility model discloses a pervious ceiling lamp base plate with a changeable edge, consisting of a discoid base plate body. The base plate body is a plastic cement component, a circular orbit is arranged at the periphery of the base plate body, a surrounding edge is inserted and arranged in the orbit; the surrounding edge component is a semitransparent or transparent plastic cement component, a plurality of flanges are uniformly distributed on the inner side surface of the surrounding edge. The surrounding edge of the base plate is changed into an inserted euphotic structure, when the lamp bulb emits light, the emitting light can be emitted through the euphotic surrounding edge; thereby the decorative effect of the ceiling lamp can be improved. If the surrounding edge is composed of a plurality of colors, the colorful light ray can be emitted from the surrounding edge; thereby the decorative effect is stronger. The plastic cement is adopted to make the bottom plate, and the cost of the base plate can be decreased.