Income statement is an important tool for measuring the business operation’s performance. The recognition method of revenue, the most important component in the income statement, in accordance with the applicable accounting principles significantly influences the quality of business operation result reported. A key consideration in evaluating arrangements with deal companies is whether the entity is acting as a principal or an agent in the arrangement. International Financial Reporting Standards identifies the sale of goods or the provision of services for which entities must determine whether to recognize revenue on either (1) a gross basis (as a principal) or (2) a net basis (as an agent) based on the transaction’s economic substance. This research targets through the pharmaceutical logistics distribution industry as the study case, to analyze and discuss the effects in financial statements after change from gross revenue reporting to net revenue reporting, regarding balance sheet, income statement, cash flow statement and relevant financial ratios. Based on these conclusions, the further step is to provide useful recommendations to help financial statement users better understand the operation’s performance of pharmaceutical distributors.