The thesis aims to study the accounting practices, accounting problems and internal controls of Thai Buddhist temples in Bangkok, including the rules, regulations and related information ofDepartment of Religion, Ministry of Education about accounting requirements. Data collectionemployed in-depth interview and a questionnaire survey as a research methodology. Bothdescriptive and inferential statistics (Chi-Square Test) were employed to explain the data andtest hypotheses of the study. The analysis pointed out that accounting practices and systems of the most of Thai Buddhisttemples in Bangkok were inappropriate as required by general accounting practices and systemsand lack of internal controls, especially in expense and fixed asset systems. Most accountantswere inexperience and incapable of accounting. In addition, accounting practices and systemsdid not provide segregation of duty which may cause to fraud in the systems. The studyrecommended proper accounting practices and systems for different sizes of temples for betterinternal controls. Moreover, the study described a chart of accounting, account codes, forms,financial reports and document flows of important cycles for reasonable internal controls.Finally, internal auditing for better efficiency of internal controls of Thai Buddhist templeswas also provided.