Current technological developments have penetrated the field of information, especially in the field of accounting information in organizations and companies, because of technological developments, many companies are switching to using computer-based information technology. This study aims to analyze the influence of infrastructure, human resources, costs, usefulness perceptions, and perceived ease of implementation of computerized accounting information systems. The population in this study were employees of the Padang Primary Tax Service Office. Based on the purposive sampling method, this study uses a sample of 47 respondents who work as employees of the accounting and finance department. For the dependent variable (y) of this study is the implementation of computerized accounting information systems. While for the independent variables are infrastructure (x1), human resources (x2), costs (x3), perceived usefulness (x4), and perceived ease (x5).