Frame type lamp box

The utility model discloses a frame type lamp box which comprises an outer frame, a lamp box seat, a light guide plate, a light source, a light-transmitting plate and at least two tie bars. The lamp box seat, the light guide plate and the light-transmitting plate are framed by the outer frame, and the steps of the light guide plate are supported by the outer frame supporting edge, so that accessories in the lamp box can be effectively prevented from falling off. Due to the fact that the lacing wires tighten the outer frame, and the intersection points of the lacing wires are located at the positions opposite to the center of the light guide plate, the outer frame obtains inward pulling force, and the structure of the frame type lamp box can be more compact and firmer. The light guide plate does not droop due to the tensile force, so that the conditions of water ripples and non-uniform light emitting are avoided, and the light emitting quality of the lamp box can be well ensured. In addition, mucilage glue is