Abstract: The invention herein relates to a lamp body structure in good appearance and for aiding the vision, more specifically a lamp body structure using a convex lens added to the upper portion on the outer rim of the lamp seat shell with innovative and electricity-saving arc light bulb installed inside the lamp seat shell as the main operation bodies; the structure of the lamp seat adapting to the variation of the lamp bracket is not only in good appearance, but also is capable of changing the lamp bracket structure according to the need of aiding the user's vision; when in use, the user views from the upper portion of the convex lens for directly observing the object being used and placed under the light bulb to increase the user's convenience so as to overcome the shortcomings of heating or being too bright caused by the prior light source.