A system for guiding a blind and a method thereof are provided. By connecting a portable device and a walk helping device, generating an obstacle signal by the walk helping device when detecting an obstacle, determining an obstacle width and an obstacle distance by the portable device in accordance with the obstacle signal, and generating a dodging route based on the obstacle width, the obstacle distance and a user step size obtained previously, the system and the method can let user know about information of the obstacle in front, and can achieve the effect of avoiding the front obstacle safely.一種智慧導盲系統及智慧導盲方法,其透過在可攜裝置與助行裝置連接後,可攜裝置依據助行裝置於偵測到障礙物時所產生的障礙物訊號判斷礙障物的寬度與距離,並依據所判斷出之障礙物的寬度與距離以及預先取得的使用者步長生成閃避路線之技術手段,可以讓使用者瞭解前方障礙物的相關訊息,並達成讓使用者可以安全閃避前方障礙物的技術功效。步驟301‧‧‧連接可攜裝置與助行裝置步驟320‧‧‧可攜裝置載入使用者步長步驟330‧‧‧助行裝置偵測到障礙物時產生障礙物訊號步驟350‧‧‧助行裝置傳送障礙物訊號至可攜裝置步驟360‧‧‧可攜裝置依據障礙物訊號判斷障礙物之寬度與距離步驟370‧‧‧可攜裝置依據障礙物之寬度與距離及使用者步長生成閃避路線步驟380‧‧‧可攜裝置輸出閃避路線
