Profile structure of panel lamp and panel lamp

The utility model discloses a panel lamp section bar structure and panel lamp, the section bar structure comprises an integrally formed section bar body, one side of the section bar body is provided with a support edge, the other side of the section bar body is provided with an expansion slot extending along the length direction of the section bar body, and the side surface of the expansion slot is opened. According to the panel lamp, the integrated profile structure is adopted, the panel lamp body can be placed on the supporting edge, the upper cover can be connected with the profile body in a locked mode, and when the installation space is large and the overall size of the panel lamp is small, the rubber plug can be embedded into the expansion groove so that the size of the panel lamp can be increased, and then the panel lamp can be assembled with the large installation space. Therefore, the manufacturing procedures of the panel lamp are reduced, meanwhile, the size of the panel lamp can be adjusted accordi