Introduction: Immunization is an essential component of global efforts worthwhile to reduce illness and child mortality. The results of initial interviews with residents found that residents were traumatized by fake immunization, were afraid of the incidence of infants dying from immunization, felt distrust of the benefits of immunization. This study aims to determine the description of parents’ knowledge, attitudes, and perceptions towards the toddler’s immunization in one village in Tangerang.Method: The design of this study is quantitative descriptive with a positivism approach. The population includes all parents who have children under five in one village in Tangerang. This study involved 148 respondents obtained through a purposive sampling technique. Data retrieval uses a valid and reliable measurement tool. Univariate data analysis uses descriptive test techniques, which are presented in the frequency distribution table.Result: The results in this study found that most respondents had good knowledge of immunization as many as 121 respondents (81.8%), more than half of respondents had positive attitudes as many as 82 respondents (55.4%), and more than half of respondents had positive perceptions against immunization, as many as 78 respondents (52.7%).Conclusion: We need accountable information through the provision of education under local wisdom to change the perceptions and attitudes of parents towards immunization. Further research is necessary to identify parents’ behavior and how it relates to the completeness of toddler immunization.