House dust mites (HDM) are species of mites that very small and caused allergic reaction. Survey by Riau Province Health Office at SDN 001 Buluh Cina at Kampar regency in 2014 found that high proportion of HDR were 40,3%. The objective of this study were to find out the description of Clean and Healthy Lifestyle (CAHL) knowledge and attitude of student of SDN 001 Buluh Cina, Kampar Regency…