Abstract: A permissible advertising method and system for the health care field is disclosed in which promotional information about a medical company is provided to patients and anyone accessing information about the patient. The system includes a portable storage device such as a pen drive that is kept by the patient and that is connectable to a universal port of a computer. Medical records and information about only that patient are stored on the pen drive in a plurality of self-executing files. Also stored on the pen drive is promotional information about the medical company and an application computer program that will provide the promotional information along with a file when the file is opened and displayed by the computer on either or both a monitor and a document printed by a printer. Alternatively, the promotional information and/or the application computer program can be kept on the accessing computer. Advertising indicia or logos of the medical company can be located on the pen drive.