Debt financing can impact how profitable manufacturing companies in Malaysia are. This study looked at 23 companies over 8 years to see how debt levels affect their performance. By analyzing data on debt ratios, long-term and short-term debts, and return on equity, the researchers found a significant relationship between debt financing and firm profitability. This information can help policymakers and companies in Malaysia make better decisions about their debt levels to maintain a healthy financial structure and increase shareholder wealth.