At present, the new coronavirus(COVID-19)epidemic is spreading rapidly in Wuhan city Hubei province of China, and has aroused great attention of the international community. There have been clues that the conjunctiva may be one of the entries for the new coronavirus(SARS-CoV-2). In the absence of clinical evidence on ocular infection with SARS-CoV-2. Therefore, understanding the mechanism and cell receptors of coronavirus transmission through ocular surface and the transmission characteristics of homologous coronavirus can provide some suggestions for appropriately ocular protection and identify COVID-19 coexisting with ocular signs for ophthalmologists during this epidemic disease.