Novel coronavirus can be examined by the following methods: 1. Special tests, such as pharyngeal swabs and sputum testing, to confirm a positive nucleic acid test for novel coronavirus or positive genetic sequencing of the pathogen. 2. Imaging tests such as CT, where patients may have multiple ground glass shadows in both lungs, or in severe cases, solid lung lesions. 3. Blood tests, such as routine blood tests, C-reactive protein, D-dimer and other abnormalities. -4. physical examination, including auscultation and percussion, etc. In clinical practice, novel coronaviruses are very dangerous and it is important to seek medical attention for isolation and reasonable examination and treatment as soon as possible after a high degree of suspicion.