Introduction:  For the reduction of financial burden and to achieve universal health care, Government of Nepal launched a security program called as Social Health Insurance Program. This study aimed to find the factors associated with the utilization of the social health insurance scheme. Methods: Descriptive cross-sectional study was conducted in the Bhaktapur Municipality ward no 2. 422 households were chosen using systematic random sampling. Questionnaires were used to measure the factors affecting the utilization. The collected data was entered in Epidata and analyzed in SPSS version 16. The data were presented in the frequency and percentage. Bivariate analysis was done to identify factors utilizing social health insurance. Factors having p value less than 0.05 was taken as significantly associated. Multivariate analysis was done to examine the association between the outcome variables. Results: Almost half of the general population (42.4 %) were utilizing social health insurance scheme and reason for not utilizing includes lack of confidence in the scheme and the services of the scheme, followed by high premium cost. Age (p=0.044), occupation (p= 0.049), wealth quintiles (p=<0.001) were found to be significantly associated with utilization of social health insurance. Logistic regression analysis showed that the odds of enrollment among very rich population group were lower than the medium (AOR 0.550, 95% CI 0.305-0.993) and rich population (AOR 0.557, 95% CI 0.316-0.981). Conclusions: Multiple factors were found to be associated with the utilization of the health insurance scheme which includes age of the household head, occupation of the household head, economic status, availability of the drugs and charge paid during their visit in the health care services, behavior showed by the health care provider, confidence in the scheme, satisfaction in the services that have been providing and source of the information.