The research approach adopted was quantitative research approach. quasi experimental research design was used in this study to evaluate the of planned video assisted teaching programme on the knowledge and practice of primary school children age (6-10 year) regarding hand washing techniques. Subjects were selected by using purposive sampling technique. the sample size was 60 primary school children with in a pre experimental one group and post test design was chosen. a structured questionnaire was used to collect the part I socio demographic variables. part II-structured questionnaire A yes 16 questions yes/no type in general information about hand washing and B – 08 questions yes/ no type questions related to caused poor hand hygiene. Section-B observation check list to assess the practice of hand washing. Part -III it consisted of video assisted teaching programme on hand washing technique.

Results: The result of this study should that there is a significant difference in level of knowledge and practice on hand washing techniques.There was significant association between pretest knowledge with the selected variable such as age The result of this study showed that a significant difference in level of knowledge and practice on hand washing techniques.There was significant association between pretest knowledge with the selected variables such as age (x2= 19.89), p<0.05sex (x2= 6.72p<0.05),standard(x2= 22.9) p<0.05 educational status of parents(x2=14.7) p<0.05, parents employment (x2= 14.09) p<0.05, and place of living (x2= 3.27) religion (x2=10.13), type of family(x2= 6.3), income (x2=4.67), source of information(x2=3.44),that was not significant.