User terminal device and method for recognizing user's location using sensor-based behavior recognition

Disclosed is a system for recognizing a user's location using sensor-based behavior recognition. A user location recognition system comprises: a sensor module for detecting information on at least one of a user's state and a surrounding environment; a first processor for extracting behavior information on the basis of the detected information; a mobile device having a first communication module for transmitting the extracted behavior information; a second communication module for receiving the behavior information from the first communication module; and a user terminal device having a second processor for determining a user's location in a user space corresponding to a user behavior on the basis of the received behavior information. The user location recognition system finds out a location in a user space accompanying a user's behavior so as to control an electronic device accompanying the user's behavior or provide a service capable of monitoring the behavior of elderly or weak people or children.