Abstract: Information technology transform the ways of healthcare services by converting the olden method of consulting a doctor to patients seeking online health information. Many healthcare services has been brought into action . These include Heath Tap, HaoDF ,WebMD etc. They provide faster and trusted answers for the questions asked by the patients. This paper consist of two components: mining and learning. A personal health record, or PHR, is a health record where health data and information related to the care of a patient is maintained by the patient. This stands in contrast to the more widely used electronic medical record, which is operated by institutions (such as hospitals) and contains data entered by clinicians or billing data to support insurance claims. The intention of a PHR is to provide a complete and accurate summary of an individual's medical history which is accessible online.

Keywords: local mining, global learning, PHR-personal health record, query.