A watch type terminal including a main body mountable on part of a user; at least one biometric sensor installed in the main body; and a controller configured to control the biometric sensor to detect a biometric signal of the user, determine target biometric data for the user to be collected based on the detected biometric signal, control the biometric sensor to detect additional biometric signals of the user to collect the target biometric data, and output the target biometric data to the user.