No, the ground service department of China Eastern Airlines is called the ground service department of China Eastern Airlines. It is a secondary unit under China Eastern Airlines Co., Ltd., an important gateway for China Eastern Airlines to strictly observe ground safety, the longest guarantee unit for passenger service chain, and the best platform for new technologies such as mobile Internet and 5G to land in aviation scenes. In the leading position in the industry, the reserved talents are all preparatory workers in the enterprise, which are used to make up the position in time. They are not employed yet and cannot be regarded as formal workers.