Oral cancer among the workers is of prime importance in this era. The Global Burden of Disease Study 2017 estimated that oral diseases affect 3.5 billion people worldwide. Cancers of the lip and oral cavity are among the top 15 most common cancers worldwide, with nearly 180 000 deaths each year.In India, 20 per 100000 population are affected by oral cancer which accounts for about 30% of all types of cancer. The study conducted a research among 80 construction site workers in Gorakhpur. The findings are workers pre-test percentage of Attitude in each aspect on oral cancer before administration of structured teaching programme. In positive statements with a mean score of 60.22 and SD = 7.51 and mean percentage 70.85%. In negative statements with a mean score of 10.72, SD = 2.31 and mean percentage 71.47%. Workers were having average Attitude on both aspects. Workers post-test percentage of Attitude in each aspects of oral cancer after administration of awareness programme. In positive statements with a mean score of 71.75, SD 4.46 and mean percentage 84.41%. In negative statements with a mean score of 12.63 and mean percentage of 84.20% and SD 2.03. In an overall mean score of 84.38, SD 5.37 and mean percentage 84.38%. They are having adequate favorable Attitude on both aspects.