Objectives: This study was aimed to identify the expressions used by consumers to talk and by mediator to provide information abouthypertension in the internet and suggest more understandable vocabulary for consumers. Methods: A researcher collected archival postingsassociated 78 hypertension-related vocabularies from internet websites for extracting consumer and mediator vocabulary respectively. Then,the consumer and mediator vocabularies with the same meaning as 78 vocabularies were extracted from postings collected by twonon-professional extractors and a researcher, respectively. Both consumer and mediator vocabularies manually mapped to the 78hypertension-related representing vocabularies. Finally, the survey was conducted from 110 inpatients and 115 nurses from December 27to 31, 2013 for the selection of recommended vocabulary related to hypertension. Data were analyzed using the SPSS program and includeddescriptive statistics. Based on the survey results, the recommended vocabularies were selected for laypersons. Results: 67 consumer and73 mediator vocabularies were linked with the 78 vocabularies. Two vocabularies unmapped to both consumer and mediator vocabularieswere ‘wheeze’ and ‘angioplasty’. 49 recommended vocabularies related to hypertension were selected for helping laypersons understandhypertension information. Conclusions: The consumer-oriented vocabularies may be helpful to overcome the vocabulary problem betweennon-professionals and professionals.