A hard tube mirror comprises a mirror tube (10), LED chips (90), an objective mirror set (20), a bar mirror set (40), and guide lines (15), wherein the objective mirror set (20) and the bar mirror set (40) are disposed in the mirror tube (10), and the objective mirror set (20) and the bar mirror set (40) are arranged from the front end of the mirror tube (10) to the rear end thereof; and the LED chips (90) are arranged at the front end of the mirror tube (10), and the guide lines (15) are led out from the LED chips (90), and penetrate to the rear end of the mirror tube (10) through a gap between the inner circle of the mirror tube (10) and the outer circle of the objective mirror set (20). By adopting a single mirror tube design, the imaging resolution can be substantially increased, LEDs are used for illumination, and LED chips can increase the illumination angle and the uniformity.