Kidney fast detector

The utility model relates to a fast detector for kidney function. A connecting pipe is provided with a measuring pipe cavity and a standard pipe cavity. The interiors of the measuring pipe cavity and the standard pipe cavity are respectively provided with indicator paper sheets. The connecting part outside the connecting pipe is provided with graduation marks. The lower parts of the measuring pipe cavity and the standard pipe cavity are connected with a sample adding bottom cover. The sample adding bottom cover corresponding to the center parts of the measuring pipe cavity and the standard pipe cavity are respectively provided with a sample adding groove. The interiors of the sample adding grooves are respectively provided with detection paper sheets. The utility model can detect the content of urea nitrogen from micro whole blood, the use is convenient, the detection is accurate, and the utility model is especially suitable for base health centers with poor device conditions.