The invention relates to a printing apparatus and printing method. The printing method comprises receiving and storing data provided with a user ID and a password; acquiring the user ID of a user registering in the printing apparatus, wherein when acquired user ID corresponds to the user ID added to the stored data, the stored data can be printed without user inputting the password; and printing the stored data in response to the input of the password of the data added to the stored data when the acquired user ID does not correspond to the user ID added to the stored data.