Interior rearview mirror with warning device

The utility model relates to the field of an interior rearview mirror of an automobile, and aims at providing an interior rearview mirror with a warning device which has functions of overspeed caution and safety belt caution, makes a layout inside of the automobile compact and tidy, and occupies a small space inside of the automobile. The interior rearview mirror with the warning device comprises a speed collector, a safety belt sensor, a seat sensor, a power switch, a rearview mirror surface and a rearview mirror case; wherein the rearview mirror surface is fixedly connected with the rearview mirror case; the interior rearview mirror with the warning device also comprises the warning device; the warning device is arranged between the rearview mirror surface and the rearview mirror case, and is fixedly connected with the rearview mirror case; and the warning device is respectively electrically connected with the speed collector, the safety belt sensor, the seat sensor and the power switch. The interior rearview mirror with the warning device has the functions of overspeed caution and safety belt caution, the warning device combines the functions of overspeed caution and safety belt caution together, and is fixedly connected with the rearview mirror case, thus the layout inside of the automobile is compact and tidy, and the interior rearview mirror with the warning device may only occupy a small space inside of the automobile.