The PocRoc SARS-CoV-2 Antigen Rapid Test Kit(Colloidal Gold)is used for qualitative detection of SARS-CoV-2 virus nucleocapsid protein, which is an important conserved structural protein of SARS-CoV-2 in human nasal/ oropharyngeal samples. The detection of SARS-CoV-2 nucleocapsid protein antigen can be used to assist the diagnosis of novel coronavirus infection and is helpful for the early detection of novel coronavirus pneumonia infection in the latent period.