担保物权的物上代位性是指担保物权的效力及于担保财产的代替物上,担保物权人得就担保财产的代替物行使担保物权。《物权法》关于物上代位性的规定有所进步,主要内容包括物上代位物的构成、范围和实现方式。 Subrogation of the security interest refers to the effect of the security interest and the replacement of the security property, and the security owner may exercise the security right in respect of the substitute of the secured property. The “Property Law” on the Substitution of the provisions of the progress has been made, the main contents include the composition, scope and means of realization.