The rationale of traditional Bona Fide Acquisition classified the subject-matter into entrusted property possession and property break off possession and it advocates that the former applies to the system while the latter does not, and that the stolen property, lost property, which belong to the property break off possession, are not applicable to Bona Fide Acquisition System.

In Bona Fide acquisition, the genuine obligee s benefit and the grantee s benefit conflicts mutually, the traditional theory of civil law will always hold the request that separated the property break off possession from the entrusted property possession as an important balance tool.