The utility model discloses an additional rearview mirror with a lamp, which comprises a lens, a shell and a fixing mechanism, the lens is assembled on the front side of the shell, the fixing mechanism is arranged on the shell, and the rearview mirror is assembled with an original rearview mirror through the fixing mechanism; a lamp groove is formed in the shell, and a
light source is arranged in the lamp groove; the
light source is connected with a circuit board, the circuit board is connected with a battery, the battery and the circuit board are installed in the shell together, and the
light source, the circuit board and the battery are covered in the shell through the lens. According to the additional rearview mirror, the light source and the circuit board are arranged in the shell of the additional rearview mirror, after the whole additional rearview mirror is installed on an original automobile rearview mirror, light of the light source can irradiate the back face of the mirror piece only by turning on the light source, the illumination effect is achieved, and a user can look into the mirror, make up and the like without turning on the light in an automobile under the dark condition. The whole automobile rearview mirror is simple in structure, convenient and practical, and the effects of enlarging the reflecting area and providing the lighting function can be achieved without changing an original automobile rearview mirror.