Pediatric Consultation and Monitoring Ontology consists of 10 main classes, 10 sub-classes, 39 properties (object-type and sub-object-type properties, data type), numerous OWL individuals and almost 90 SWRL rules (medical cases based on ARTI based diseases for pediatric patients). Almost all the rules of the knowledge base consider: -Body temperature -Currently observed number of the local, major, and minor symptoms -Medications used and time of use in recent period (has drug and has drug time properties) -Presence of medical cold treatment applied in recent period ⇒ only one of medical case will be inferencing result. Project Funding: “This research project was funded in 2014 by the National Science Foundation- The Scientific and Technological Research Council of Turkey (TUBITAK) under 1501 type funding program with the ‘3140417’ grant number. The titled “Mobile Pediatric Consultation and Monitoring System” project was successfully completed by the end of 2015. The project was completed by collaboration of the Acıbadem Hospitals Group, Istanbul Aydin University and Semantica Internet and Software Services Trd. Ltd. Company in Turkey”.