The purpose of internal audit is to keep proper control over business activities. When there is proper control there is maximum efficiency. The internal auditor determines the degrees of control over work. The purpose of internal audit is to evaluate the accounting system. It is concerned with checking proper authority for transactions like purchase, retirement and disposal of fixed assets. The vouchers can be compared with entries in order to determine that figures are facts.

The purpose of internal audit is to help the management. Internal auditor can point out the weakness. The internal audit can be used as a tool to correct the situation. The management functions can be performed properly. The purpose of internal audit is to review the working of business. The working of current tear can be reviewed in detail just to note the successful area of working. There is a need to locate the weak points. The corrective measures can be taken for proper working.