Auxiliary tool for installing vehicle lamp

The utility model relates to an auxiliary tool for installing a car lamp. The auxiliary tool comprises a penetrating lamp profiling main body arranged on the vehicle body, and the shape of the penetrating lamp profiling main body is the same as that of the penetrating lamp shell; the positioning assembly is arranged on the penetrating lamp profiling body, and the positioning assembly is connected and/or makes contact with the vehicle body so as to position the position of the penetrating lamp profiling body on the vehicle body; and the headlamp positioning parts are arranged at the two ends of the penetrating lamp profiling body, make contact with the headlamp and are used for positioning the position, relative to the penetrating lamp profiling body, of the headlamp. By means of the arrangement, when other structures are installed on the vehicle body, the penetrating lamp profiling body is detached from the vehicle body, the penetrating lamp is installed on the vehicle body, and therefore the position of the