PROBLEM TO BE SOLVED: To provide a blood sugar measuring apparatus which is equipped with a prior preventive feature before occurrences of symptoms of a deterioration in cerebral functions by unconscious hypoglycemia and a feature of a post-measure.SOLUTION: The blood sugar measuring apparatus is an apparatus for continuously measuring a blood sugar level in a non-invasive manner and is equipped with a measuring part for continuously measuring the blood sugar level in the non-invasive manner, a storage part for storing a history of blood sugar levels of a subject which is measured by the measuring part for a past prescribed period of time and a noticeable blood sugar changing value, a determining part for determining whether the subject is in a hypoglycemic tendency or not by referring to the blood sugar level measured by the measuring part, the history of blood sugar levels which is stored by the storage part for a past prescribed period of time, and the noticeable blood sugar changing value, and a notifying means for notifying the subject that he/she is in the hypoglycemic tendency when the determining part determines that the subject is in the hypoglycemic tendency.COPYRIGHT: (C)2008,JPO&INPIT【課題】本発明は、無自覚低血糖による大脳機能低下症状が現れる前の事前予防機能、及び、事後対策機能を備えた血糖測定装置を提供することを課題とする。【解決手段】血糖値を非侵襲かつ連続で測定する装置であって、血糖値を非侵襲かつ連続で測定する測定部と、前記測定部で測定された被測定者の過去一定時間分の血糖値の履歴、並びに、注意血糖変化値を記憶する記憶部と、前記測定部で測定された血糖値と、前記記憶部に記憶された過去一定時間分の血糖値の履歴、並びに、注意血糖変化値を参照することによって、被測定者が低血糖傾向にあるか否かを判定する判定部と、前記判定部にて被測定者が低血糖傾向にあると判定された時に、被測定者に低血糖傾向にあることを通知する通知手段を備えた血糖測定装置。【選択図】 図1