A persistent phlegm in the throat is not necessarily Neoconjunctivitis, as pharyngitis can also present with a persistent phlegm in the throat. Patients with New Coronavirus pneumonia usually have a history of epidemiologic exposure, recent exposure to patients with suspected or confirmed New Coronavirus pneumonia, and typical clinical symptoms such as fever, malaise, sore throat, cough, diarrhea, etc. Blood tests may show a decrease in white blood cells, lung CT may show interstitial changes, and nucleic acid tests for New Coronavirus and antibodies to New Coronavirus may be positive. The diagnosis of Neoconiosis can be confirmed by the presence of the above clinical symptoms and positive ancillary tests.