Tube lamp installing structure

The utility model relates to the field of illumination, in particular to a tube lamp installing structure, which comprises a lamp body and a top cover, wherein the top cover is fixedly connected with a marked subject to be installed, the tube lamp installing structure also comprises an upper seat and a lower seat, the upper seat is connected to the top cover, the lower seat is connected to the lamp body, and the upper seat and the lower seat are detachably connected. The tube lamp installing structure has the advantages that the direct lamp body locking to the marked subject is not needed during the installation operation, the operation is convenient, and the lamp body is not easy to damage.