The Civil Code of China perfected the rules of change for chattel mortgage and expanded the types of secured transactions.Under the supply of multiple systems，in order to coordinate the legal application of different systems of secured transactions and reduce conflicts，it is necessary to distinguish between transaction types and movable property types for analysis.Buyers in normal business activities do not need to pay attention to the burden of rights on movable properties，regardless of whether the burden is registered or not，regardless of whether the buyer is in good faith or not，the acquisition of property rights will not be affected；buyers outside of normal business activities otherwise have a duty of care，knowing that certain movable properties may be guaranteed or not inquired about registration，will suffer adverse consequences.Different types of movable property can be applied to different transactions methods，and their legal effects are also different.Compared with the relatively fixed equipment or consumer goods of the operating entity，ownership retention，financial leasing or purchase money security interests can be established；for the operating entity for the purpose of circulation inventory，it is more appropriate to establish a“floating”charge.