At 11 p.m. on June 1, the West China Hospital of Sichuan University was ordered to dispatch a medical treatment expert group to Ya'an People's Hospital to guide the treatment of the critically injured in the earthquake.

The leader of the expert group is Jin Xiaodong, chief physician of the Department of Critical Care Medicine, and the members are Yang Chaohua, deputy chief physician of Neurosurgery and Long Cheng, deputy chief physician of Orthopaedics. When he received the order, Dr. Long Cheng was performing an operation in the West China Tianfu Hospital. After the operation, he immediately drove back to his headquarters and joined the team to Ya'an.

At 10:20 pm that night, Wu Hong, vice president of West China Hospital, led Wang Guanglin, deputy director of Orthopaedics, Liu Yanhui, deputy director of Neurosurgery, and Zhang Zhongwei, deputy director of ICU to conduct remote consultation with Ya'an People's Hospital for earthquake victims.