Judicial appraisal of construction works refers to the activities of appraisal organizations and appraisers who have obtained the qualification of judicial appraisal of construction works in accordance with the law and are entrusted by the judicial organs or the parties concerned with the application of architectural theories and technologies to appraise and determine the quality of the construction works, the materials and the safety of construction works and other construction works-related professional issues involved in the litigation activities, as well as to provide opinions on the appraisals.

Judicial appraisal of construction engineering must be based on the current standards and norms, the use of testing methods through the measurement of certification of the project on-site testing, and data confirmation by the parties or the relevant personnel of the judiciary, and then, on-site confirmation of data processing, through the analysis and calculations, the project as a whole to make the identification of the conclusions, and the issuance of the 'so-and-so project construction engineering judicial appraisal report'.

In the Judicial Appraisal Report on Construction Engineering, the appraisal of the appraisal conclusion is generally categorized into industrial buildings and civil buildings. The content of the appraisal report generally contains: report description, conclusion, data, calculations, photographs (evidence) and so on. The cost of judicial appraisal of construction engineering is generally borne by the losing party, or both sides can negotiate.

Judicial appraisal of construction engineering not only for the court trial related to the quality of engineering disputes provide professional technical support, but also assume the responsibility of social service-oriented appraisal. The quality of construction projects may cause disputes and conflicts, or affect personal safety, and become an important factor affecting social harmony and stability. Its main content includes: construction quality assessment, engineering quality accident appraisal, appraisal of engineering cost disputes.