A method and system for determining a fall using a smart band is disclosed. The fall determining method includes the steps of: receiving inertia information according to a movement of a pedestrian from a wearable device worn by a pedestrian; calculating a SVM (Signal Vector Magnitude) value based on the inertia information; Determining whether or not the pedestrian has fallen based on the pattern information based on the Fourier transformed information and the pattern information indicating the movement of the predetermined pedestrian can do.
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