A safety handrail contains: a body, two hollow suckers, two sucking disc units, and two display units. The body includes multiple griping portions. Two hollow suckers are fitted on two ends of the body respectively. The two sucking disc units are accommodated in the two hollow suckers separately, and the two display units are symmetrically disposed beside the two hollow suckers respectively. Each of the two display units includes an accommodation chamber having a window and a through hole, each display unit includes a resilient element housed in the accommodation chamber, and each display unit further includes a movable element accommodated in the accommodation chamber. Furthermore, the movable element has a first section, a second section, and a third section passing through the through hole.