It has been pointed out that the number of patients afflicted with lifestyle diseases such as hypertension, diabetes and hyperlipemia is rapidly growing. It is well-known that these diseases stubbornly resist treatment. Therefore prevention is more important than cure. And it is known that an improvement eating habits (alimentary therapy) is effective for prevention or the treatment of the lifestyle disease. Creating well-balanced meals for patients require specialized knowledge about nutritional effect, alimentary therapy and/or prophylactic diet. However, all of people can not been given dietary advice by dietitian. Moreover information on food is required to take the best care of the health. This paper describes a designing and implementation of alimentary therapy assist system. The system records client's meal history and provide the client with healthy menu based on the meal history and individual taste.