Coronaviruses belong to the family Coronaviridae, genus Coronavirus, and the 9th meeting of the International Committee on Classification of Viruses reported that coronaviruses are divided into 4 genera, namely α, β, γ, δ, β. The new coronavirus discovered so far belongs to coronavirus, which is the 7th coronavirus that can infect humans, in addition to the 6 known coronaviruses so far. This virus is highly contagious and can be transmitted from person to person through respiratory droplets and close contact. Therefore, it is important to prevent new coronavirus infection by wearing a mask when going out, paying attention to hand hygiene, enhancing air circulation, increasing nutrition, and strengthening the immune system in order to reduce and prevent the occurrence of new coronavirus infection.