The invention discloses a portable full glass electric heating cup. The portable full glass electric heating cup includes a cup body; a heating disc for heating water is arranged in the bottom of thecup body; the bottom of the cup body is connected to a base; a groove for storing a wire is formed in the bottom of the base; the groove is positioned between an intermediate boss and an outer ring; agap is formed in the outer ring; a convex block is arranged on the gap; the convex block is connected to a side wall of the intermediate boss; and the side wall of the intermediate boss recessed toward the center. The heating disc is arranged in the bottom of the cup body of the water cup, the heating disc is connected to the cup body together, and a splitting structure can be avoided; the heating source of the water cup is hided in the water cup, the cup is portable and is easy to use, and a user can drink hot water in places where power can be supplied; the portable full glass electric heating cup is a glass cup which is more healthy than water cups made of other materials and will not break or corrupt water structures like metal.