会计目标的理论研究一直沿着两条不同的思路展开，即规范性目标和实证性目标。
Traditionally, theories of accounting information objectives are divided into two categories, namely, theories of normative objectives and theories of positive objectives.
目前，我国学者对会计政策变更的研究大多是采用规范性的研究策略，且研究的多是强制性会计政策变更，内容基本局限于理论方面。
Presently, our scholars mostly use the standard method to do the accounting policy change research, and the content is restricted in the theory aspect.
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