Introduction : Worldwide every second a person is infected with tuberculosis (TB) and every 10 seconds someone dies as a consequence. According to the Global TB report the global TB burden  India ranks 1^st followed by  Indonesia , and China. The one cause of this widespread is negligence of the patients and health workers towards the prevention and control of this disease.

Methodology : The study was conducted among all the patients attending the department of repiratory medicine who were willing to participate in the study. There were 200 people who were selected based on the inclusion and exclusion criteria to participate in the study as final sample size

Results: There was poor knowledge about the cause of tuberculosis. There was poor knowledge about the spread of tuberculosis and disposal of the sputum. There was association seen between knowledge and age and education.

Conclusion : . So by increasing health education and also by increasing the educational level we can increase awareness about spread of tuberculosis and achieve prevention.