Abstract: Objective  To explore the awareness status of knowledge on TB control and prevention among the floating population of different occupations, and provide scientific evidences for TB health education. Methods  Cluster random sampling method was used in the study, 512 floating people from the industry of garment，food service，construction and waste recycling participated in the questionnaire survey. Results  The total awareness rate of the key messages on TB control and prevention in the respondents was 36.7％（939/2560）.The rate was 32.1%（511/1590）for the male and 44.1%（428/970）for the female. There was a significant statistical difference between genders （χ²=37.262，P＜0.01）. The awareness rate of TB knowledge was 60.4%（317/525）for people from food service,44.8%（278/620）for people from garment，34.3%（139/405）for people from waste recycling and 20.3%（205/1010）for people from construction. There was a significant statistical difference in different occupations（χ²=262.434，P＜0.01）. The top 3 ways to get the message were radio broadcast（23.6%，121/512），chatting with others（21.5%，110/512）, and newspapers and journals（21.3%，109/512）. People of different occupations got message from different ways. People from the industry of garment and food service got the message mostly from radio broadcast and for people from the industry of construction, it was chatting with others，and leaflets for people from waste recycling. Conclusion  The awareness level of TB knowledge and the approach of TB knowledge acquisition among the floating population of different occupations were different, and provided scientific evidences for TB health education in floating population.

Key words: Tuberculosis,pulmonary/prevention &, control, Health education, Tianjin city