The Hantavirus Antigen Rapid Detection Kit (Colloidal Gold Method) is a rapid diagnostic reagent for the in vitro qualitative detection of Hantavirus nucleocapsid protein (NP) antigen in human serum, plasma, or whole blood. It uses colloidal gold immunochromatography technology and can provide results within 10 minutes. It is suitable for early screening and auxiliary diagnosis of Hantavirus infection, and is especially suitable for rapid detection in the acute phase of hemorrhagic fever with renal syndrome (HFRS).