The invention relates to an automobile rearview mirror capable of preventing water mist. The automobile rearview mirror comprises a mirror shell and a lens, wherein a fixing frame is arranged on the mirror shell, and the lens is mounted on the fixing frame. The automobile rearview mirror is characterized in that the upper portion of the fixing frame is provided with an air inlet which faces the upper portion of the lens, an air collection plate is arranged at the air inlet, the air collection plate is an arc plate, and the inner arc of the air collection plate faces one side of the mirror shell; the lower portion of the fixing frame is provided with a water outlet; a shockproof rubber pad is arranged between the lens and the fixing frame; the cross section of the mirror shell is in an arc shape. Compared with the prior art, the automobile rearview mirror capable of preventing water mist is simple in structure, easy and convenient to produce and easy to machine; airflow produced in the traveling process of an automobile is used for washing the lens to remove water drops and mist accumulating on the lens on a rainy day, and the situation that traveling safety is affected because the rearview mirror is blurred is prevented.