Blood test kit and analysis method using same

The present invention addresses the problem of providing a blood test kit, by which blood collection amount is visualized and uniformized so that a blood test can be performed at a high accuracy using a minor amount of blood, and a blood analysis method. Provided is a blood test kit for analyzing the concentration of a target component in a blood specimen using a standard component constantly existing in blood, said blood test kit comprising a blood collecting device for collecting a blood specimen, a diluent for diluting the collected blood specimen, and a housing device for housing the diluted blood specimen, wherein the blood collecting device is a capillary.