In this invention,the urine detection device can be affixed to the diaper,and can detect urine with fewer number of electrodebesides,this invention also provide a method to detect urine,and to decideif the diaper is too wet.本發明之尿濕偵測裝置可以黏貼於尿布,並以更少的電極數達到偵測尿濕的目的;另外,本發明亦提供一尿濕之偵測方法,除可以偵測是否尿濕外,也可以偵測尿布是否太濕。1‧‧‧不導電層2‧‧‧單數電極