Coronavirus disease 2019（COVID-19） is caused by 2019 novel coronavirus（2019-nCoV）. Because 2019-nCoV is an un－known species in previous，there is little knowledge about it in the early stage of the epidemic situation and is difficult to diagnose and treat. With the advancement of research，a large amount of relevant articles based on the clinical diagnosis and treatment of COVID-19 and the trend of epidemic situation have been reported，providing important references to scientific research and clinical workers. In this paper，we have collected the recent articles based on COVID-19，and summarized the pathogenesis of 2019-nCoV，the clinical characteristics，CT manifestations，progress of drug treatment of as well as epidemic prevention and control.