is beverage that Koreans usually drink believing that it is good for their health. They are health drinks. They are the best sellers that ranked first to third in sales in pharmaceutical market. Office workers, who are exhausted from their job, usually take health drinks as medicine to relieve fatigue. However, many consider these days that they are just beverage rather than medicine. Today, there are drinks with oriental herbs and drinkable vitamin C which attracts tremendous popularity. When having guests at work or home, people tend to offer health drinks, thinking that it is healthier than tea or coffee.