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The invention discloses a household article management system and method based on area sensing and signal intensity positioning, and the system is characterized in that the system comprises a passive RFID tag attached to an article, an area sensor, a service host, and a user terminal; the method comprises the following steps: deploying area sensors at access boundary positions of each indoor area, and uploading area sensor data and indoor layout data to a service host to establish an indoor area digital map; the input article information is bound with the passive RFID tag through the user terminal; when the article carrying the tag passes through the position where the area sensor is deployed, the area sensor reads the ID code of the passive RFID tag on the article; the service host updates the information of the area where the article is currently located according to the tag ID code, the inductor ID code and the timestamp; the user terminal accesses the service host to obtain an indoor area digital map and article data; a user specifies a to-be-found article and initiates query, and the service host feeds back information of a region where the corresponding article is currently located.