Blood-glucose detector

The utility model relates to a blood-glucose detector which comprises a detector body as well as a blood sampling mechanism and a detecting mechanism that are arranged on the detector body, wherein the blood sampling mechanism comprises a blood sampling needle, a pen body and a percussion mechanism arranged in the pen body; and the detecting mechanism comprises a blood-glucose detecting instrument, a storage bin and a piece of blood-glucose test paper arranged in the storage bin. The blood-glucose detector integrates a blood sampling part, a blood-glucose detection part and a blood-glucose test paper storage part, and has the advantages of simple structure and convenience in carrying and use.