On May 30, 2022, Heilongjiang aided Xinjiang. On May 30th, according to the Notice of Heilongjiang Provincial Health and Wellness Committee on Supporting Medical and Health Work in Xinjiang in 2022, four experts, including Wang Changlin, Zhao Hongyan, Liu Yingli and Bi Jialin, from the Fourth Hospital of Harbin Medical University set off for Beitun General Hospital, the 10th Division of Xinjiang Corps, to carry out the work of aiding Xinjiang for half a year, and the team members of the Fourth Hospital of Harbin Medical University and the heads of relevant departments went to see them off.