Corona Virus Disease 2019 (COVID-19) has outbroken in Wuhan since December 2019, and spread fast to all over the country even abroad, which highly threatened people′s health and life. Under the severe situation at present, it is much important to take prevention and control measures. There are some characteristics in oral clinic, such as close proximity to patients, long operation time and regular use of high-speed turbine, ultrasonic scalers and other equipments which would produce a mass of droplets and aerosols, thus there is a high risk of nosocomial infection during dental operations. In order to prevent the spread of 2019 novel coronavirus (2019-nCoV) in hospitals, in this paper, some technical recommendations have been put forward for the specifications of oral consultation process as well as the prevention and control during the epidemic period, combining with features of oral clinic. Also, we hope it can provide references for the prevention and control of nosocomial infection in the post-epidemic period.