Children with special health care needs require special advanced planning for their unique emergencies. A Web site has been developed to allow secure Internet access to a database of Emergency Information Forms developed using the American College of Emergency Physicians/American Academy of Pediatrics format. The content and organization of the Web site, found at http://www.memscis.org, are described. A tour of the site is available. A set of XML data elements has been defined. Additional disaster preparedness elements have been added to the American College of Emergency Physicians/American Academy of Pediatrics Emergency Information Forms. The organization, security, and relationship of the site to electronic health records are described.