This article analyzes interest-rate risks faced by the postal savings bureau (PSB) based on the complete balance sheet It presents the extended gap model and the extended duration gap model to measure the interest-rate risk, and discusses the inner balance-sheet strategies and the off-balance-sheet strategies to manage the interest-rate risks. This article analyzes interest-rate risks faced by the postal savings bureau (PSB) based on the complete balance sheet it presents the extended gap model and the extended duration gap model to measure the interest-rate risk, and discusses the inner balance-sheet strategies and the off-balance-sheet strategies to manage the interest-rate risks.