A continuous analysis apparatus capable of transmitting information about components in body fluid to another apparatus such as medicine dosing apparatus more correctly without giving a user displeasure. The continuous analysis apparatus according to the present invention includes a sensing unit 2 including a sensor that is held in subcutaneous tissue for obtaining information with respect to an objective substance in a sample,- and a data holding unit 3 having a storage means for storing the information obtained from the sensor or data corresponding to the information, the sensing unit and the data holding unit having configuration so that they are separably joined to each other. FIG.1
