The building engineering inspection and appraisal system, which is developed for the building detection, safety appraisal and judicial evaluation, adopts a frame scheme based on the mix-mode of BS and CS.The system firstly provides scientific references to the government and the owner unit for the final decision and standardized business processes to the testing and assessing business.It also puts forward concrete measures to raise management level and the normalization of the testing and assessing industry, and helps the project participants to improve their work efficiency.