<；P>；PROBLEM TO BE SOLVED: To provide an apparatus for measuring the function of the salivary gland by biological light measurement. <；P>；SOLUTION: A biological light measuring apparatus is provided, which includes a light measuring means for irradiating a vicinity of the salivary gland of a subject with light and receiving reflected or transmitted light, a signal processing means for drawing changes in salivary gland function as a signal waveform of a blood substance concentration change when the subject is stimulated on the basis of a measurement signal received by the light measuring means, and a display means for displaying a processing result of the signal processing means. <；P>；COPYRIGHT: (C)2011,JPO&INPIT
