A paper sheet processing apparatus 1 for performing processes on paper sheets while conveying the paper sheets, being equipped with an apparatus body 10, processing means 3 for performing predetermined processes on the paper sheets, a control section 5 for controlling the operation of the paper sheet processing apparatus 1, an input section 6 to which a paper sheet processing condition is input, a display section 7 for displaying the operation information of the paper sheet processing apparatus 1, and a storage section 8 for storing user-owned information serving as the processing pattern of the processing processing means 3 owned by the user and including the processing means 3, wherein the processing means 3 is configured so that the processing pattern for the paper sheets can be changed, and the control section 5 performs control so that a processing condition under which processing cannot be performed according to the processing pattern of the processing means 3 included in the user-owned information stored in the storage section 8 cannot be input to the input section 6.