1. The appraisal subject refers to the operator of the asset appraisal executor;

2. Appraisal object refers to the object of asset appraisal, that is, the appraised assets;

3. The specific purpose of appraisal refers to the economic businesses that asset appraisal serves;

4. The appraisal procedure conforms to the legal procedure, which is a necessary condition for the standardized and scientific appraisal of assets;

5. The value type of appraisal is the qualitative stipulation of appraisal value, and different assets will have different value types;

6. Scientific method. At the same time, the whole asset appraisal work is carried out in accordance with a certain procedural system.

Asset evaluation, that is, the evaluation of asset value form. It refers to the behavior that the assets at a certain time are evaluated and estimated by a specialized agency or a specialized appraiser, following legal or fair standards and procedures, using scientific methods and taking currency as a unified measure for calculating rights and interests.