A wearable device and a method for monitoring a movement state by using the same are disclosed. A sensor is provided in the wearable device. The method comprises: controlling the sensor to collect movement data of a user when a monitoring process starts； extracting one or more features for identifying the movement state of the user from the movement data to obtain test data； and matching the test data with stored template data representing predetermined movement states, to obtain template data that successfully match the test data, and determining occurrence of a movement state corresponding to the matched template data associated with the test data.
