Chen Jinglin is a flight attendant on the Beijing EMU train in Qingdao Passenger Transport Section of China Railway Jinan Bureau Group Co., Ltd. He is affectionately called "Old Chen" by his colleagues.

His service is like the warm sunshine in winter, bringing happiness and human touch to passengers. Chen Jinglin discussed with the train conductor in advance: "Unlike previous years, the majority of people on the train I am taking are working and returning home. We must prepare in advance and prepare emergency response measures"