Differently Abled and Seniors' Assistance Design Hanger Blind cane by Junting Liu The principle of the blind cane is “humanization design”.When in the public,the dot array can help blind people avoid embarrassment effectively.When the blind across the road,the traffic light sensing system and the dot array will offer help.Meanwhile,while leaning on the cane,the rotary structure and the right angle design enable blind people have temporary rest.