"This book focuses on the five hundred white-clothed angels of Dalian's medical team to aid Wuhan Leishenshan Hospital on New Year's Eve, the warm hearted interaction between the two cities of Dalian and Wuhan, and other hot news events, and truly tells the moving story of the people of Dalian's full support for Wuhan's fight against the new coronavirus outbreak, which is a vivid portrayal of the people of the country's unity of purpose to overcome the difficulties under the leadership of the central government. In December 2019, an outbreak of "new coronavirus pneumonia" occurred in Wuhan, Hubei Province. The whole country is engaged in the battlefield of the new coronavirus epidemic. At the critical moment, Dalian medical workers responded to the country's call and arrived at the front line of the epidemic in three batches, and put themselves into the intense battle. 500 white-clothed warriors from Dalian rushed to support Wuhan Leishenshan Hospital at night on February 8, the Lantern Festival. The people of Dalian and Wuhan have been working together to overcome the difficulties of the time and spread the true feelings. Extraordinary times, the people of Dalian and Wuhan people's hearts closer together, Wuhan Dalian people and Dalian Wuhan people, all feel the tolerance and care of the city where they live."