Abstract: The present invention relates to a lamp structure. The lamp structure is mainly installed inside a cabinet, and by opening the cabinet door will enable the electrical circuit of the lamp structure to be a close circuit; vise versa, closing the cabinet door will result in the open circuit of the electrical circuit of the lamp structure. When the electrical circuit is a close circuit, the light emitting part of the lamp structure will generate light to illuminate the internal space of the cabinet so as clearly view the objects location in the cabinet.