PROBLEM TO BE SOLVED: To provide a diaper that can detect information such as body movement or body temperature of a person who wears the diaper (wearer), and can detect falling-off of the diaper and abnormal change of the wearer, and can prevent bedsore.SOLUTION: The diaper 1 is configured to laminate a surface material, a water absorption material and a moisture impermeable film, and includes a wetting sensor for sensing a wetting state of the diaper where a temperature sensor and an acceleration sensor are provided, and the signals are monitored, thereby detecting the falling-off of the diaper, abnormal change of the wearer and preventing the bed sore.COPYRIGHT: (C)2012,JPO&INPIT【課題】オムツを装着する者(以降、装着者)の体の動きや体温などの情報を検知でき、オムツの脱落の検知、装着者の異変の検知、床ずれ予防などが出来るオムツを提供する。【解決手段】表面素材と水分吸収素材と水分不透過性フィルムを積層してなるオムツ1であり、かつ、オムツの濡れ状態を検出する濡れセンサをオムツに設けたオムツであって、温度センサ及び加速度センサーを設け、かつこれら信号を監視することにより、オムツの脱落の検知、装着者の異変の検知、床ずれ予防などを行なう。【選択図】図1