The outbreak of COVID-19 has become a severe global acute respiratory pandemic around the world within a few months with an increasing number of infections and deaths. Covid-19 is a highly contagious and fatal disease. Almost everyone in this population are prone, and the incubation is 1-14 days. The clinical symptoms of COVID-19 are fever, dry cough and fatigue. It is the responsibility of the dental practitioner to fully understand the characteristics feature of COVID-19 and strictly implement the protective measures to reduce and control the risk of infection in dental procedures.