This book presents X-ray and CT findings of patients with 2019 Novel Coronavirus (2019-nCoV) pneumonia in early, progressive, critical, and recover stage. It starts with a general review of CT features of new coronavirus pneumonia. In the following chapters, imaging manifestations in different groups and stages are presented, especially CT findings of asymptomatic COVID-19 patients and those first nucleic tests for the novel coronavirus are negative, but turn positive in one day or two. In addition, imaging and pathological analysis of COVID-19 death are summarized in the last chapter. The book provides a valuable reference source for radiologists and doctors working in the area of coronavirus pneumonia.