A display apparatus and control method are provided. The display apparatus includes a storage unit which is provided to store biometric information of an individual user and metadata corresponding to the biometric information; a biometric information input unit through which biometric information of a plurality of users is input; a display unit; and a controller which determines metadata corresponding to a first user by comparing the input biometric information of the first user with the stored biometric information, determines metadata corresponding to a second user by comparing the input biometric information of the second user with the stored biometric information, and generates information of a user group comprising the first and second users based on common metadata between the metadata of the first user and the metadata of the second user.