Since 2014, CCAA has continuously been carrying out the service improvement initiatives for civil airports, and a series of actions d on programs of "Intensive Measures for Service Quality Improvement" and "Customer First” campaign proposed by CAAC annually: civil airports service quality evaluation conducted for total of 9 years with completion of evaluation on 646 airports nationwide; convening of "China Airport Service Conference" for 9 consecutive sessions and publishing of the "Civil Airport Service Quality Evaluation Report"; ion and publication of “Excellent Service Business Cases of Civil Airports” and “Typical Service Business Cases of Civil Airports”; promotion of the construction of unified platform for airport Lost-and-Found ; release of the “Guidelines for Building Service Brands of Civil Airports in China”; research on the Evaluation Standard of China Civil Airport Service Brand; completion and release of 23 service-related group standards including the Civil Airport Passenger Service Quality (T/CCAATB 0007-2023).