The Rare Sugars exist naturally and have many kinds (more than 50). They have good effect for health such as prevention of increasing the blood‐sugar level after eating, suppression of fat accumulation, suppression of increasing the blood pressure, and anti-oxidative effect etc. It is in the spotlight for many people especially for those who are in the metabolic syndrome. There are few related papers concerning the marketing research and its utilization of this matter. In this paper, a questionnaire investigation is executed to the student of Kagawa Junior College in order to clarify consumers’ current condition and their consciousness, and to seek the possibility of utilizing the Rare Sugars. Hypothesis testing was executed based on that. Some interesting and instructive results were obtained.