Under the backgrounds of financial unified regulation，the management of non-standard debt instruments is normalized. According to the latest regulation rules，asset management instruments must under net-value management，in order to increase liquidity and break the so-called rigid payment. The main obstacle of net-value management is the difficulty in valuation of non-standard debt instruments. This article discusses the plausible methodologies from the perspectives of accounting and asset pricing. Valuing non-standard debt instruments should have no technical difficulties with right methods，and regulators could introduce a detailed guideline of valuation.