Introduction：The kit is suitable for qualitative in vitro determination of novel coronavirus (SARS-CoV-2) antibody in human serum and plasma samples. It is intended to be used as supplementary detection of suspected cases with negative nucleic acid detection in novel coronavirus, or in combination with nucleic acid diagnosis of suspected cases. It cannot be used as the basis for diagnosis and exclusion of pneumonia caused by SARS-CoV-2. The test should be performed by healthcare professionals only.