A healthy house is very important in preventing the emergence of various diseases, especially tuberculosis (TB), community knowledge about healthy homes and TB prevention efforts is still low. The purpose of this study was to determine differences in knowledge of port village communities in the Puskesmas Pemulutan work area before and after health education regarding prevention of pulmonary TB transmission. Data was collected by using a questionnaire about knowledge about prevention of pulmonary TB transmission. with 99 samples , and data analysis using the Paired t-test. There are differences in the average knowledge of respondents before and after counseling. It is expected that the puskesmas will increase extension activities to the community and village officials will increase community participation, especially in health extension activities.