The invention discloses an internal rear-view mirror of a motor vehicle, which comprises a mounting frame, a rear-view mirror plane and a rear-view mirror casing, wherein the rear-view mirror plane is mounted in the rear-view mirror casing which is connected with the mounting frame; the mounting frame is fixedly connected with a roof steel plate; the rear-view mirror plane is rectangular; display reminding devices are arranged between the four corners the rear-view mirror plane and the rear-view mirror casing and comprise display devices and acousto-optic devices; and a control module is arranged between the rear-view mirror plane and the rear-view mirror casing, one end of the control module is connected with a vehicle body induction system, and the other end is connected with the display reminding devices. According to the internal rear-view mirror of the motor vehicle, visual change or hearing change in the visual field of a driver is fully used to remind the driver of surrounding condition of the vehicle, the driver is assisted in correct judgment, and traffic accidents are prevented; and meanwhile, the internal rear-view mirror of the motor vehicle has the characteristics of good reliability, low manufacturing cost, long service life and the like.