A Dissertation Submitted in Partial Fulfillment of the Requirements for Award of the Degree of Master of Science Accounting and Finance (MSc A&F) of Mzumbe UniversityThe problem investigated in this study was existence of lack of accountability, financial discipline and transparency in the use of public fund. The study attempted to investigation reasons behind the prominent habit of lack of accountability, financial discipline and transparency in government expenditure, and how auditing function in Local Government addresses the problem. To investigate the matter different research instrument were used to obtain both primary and secondary data. Primary data were obtained through questionnaires. While secondary data were obtained by studying the Controller and Auditor’s General report and relevant book and journals. Good quality of audit system is crucial for effective financial management, accountability, decision making of an organization. The result of the study proved that there is lack of accountability, financial discipline and transparency in government expenditure. There are many factors which contribute to this situation, some of them are; lack of accountability on public expenditure by the government and Accounting officers are not taking relevant action on the CAG audit reports, in-effective functioning of National audit Office. To alleviate the problem raised the following measures are recommended; first, the existing laws have to be reviewed, second, the LAAC should ensure that it takes relevant/disciplinary actions to Accounting Officers when necessary and the NAO should become more independent, that is:-  The CAG should be appointed by the parliament’  The NAO should become and Agency  Extensive training on CAG staffs  Remuneration of CAG Staff must be reasonable and fair.