A system for memorizing object location, for detecting an object storage position, includes: a wireless sensor module disposed in an interior space to generate a wireless sensor signal; a mobile device having an application program to start and initialize the wireless sensor module, the application program having a function of using the wireless sensor signal to calculate out a positioning data, and producing an object position integration information; and a cloud storage server connected to the mobile device via a communication link to receive the object position integration information and store the information in an object position memorizing database.