From the analysis of available cases, patients with novel coronavirus infection may present with a sore throat, but this is not the only basis for determining that the body is infected with the virus. Since the emergence of the novel coronavirus, the biological and physicochemical characteristics of the novel coronavirus are not fully understood, and the effects of the virus on humans are still poorly understood. According to current epidemiological data, the main symptoms of novel coronavirus infection in humans are fever with malaise, dry cough and dyspnea, but there are some infected patients with atypical symptoms.