A detachable solar junction box base is disclosed, having a junction box, whose left and right sides being respectively installed with a pivotal connection button, and the bottom side thereof being installed with at least an elastic snap tab, two elastic clip tabs, a first connection port and a second connection port; and a base, the body thereof being an integral base formed by two arm parts and a traverse board part, in which the two arm parts are located at the left and right sides of the base and the traverse board part is disposed at the front end of the base, and in which each of the arm parts is respectively installed with an ear seat and a pivotal connection hole at the interior corner thereof, as well as a hollow accommodation part constituted by the arm parts and the traverse board part to receive the junction box.