This is the highlight position of grasping in L-shaped handrail device. The device includes engraved hollow grooves with electric lights to highlight position of grasping. It also combines vital sign monitot. When the users get closer to the invention, the sensor come to sense it, and the device will automatically turn on the lights. Then, the user can be clearly guided to hold the highlight position in the dark room. For the elder users, it can monitor heart rate with the device. It is a practical and useful device for the safety concern. It also helps the elderly live safely at home.