This study was performed to present new insights into the distinct aspects of Jehotang. Its history, significance, and effects were examined by evaluating the pertinent literature. In which the idea that Korean foods were original sources of medicine was well expressed. This study was also conducted with the anticipation that it may be useful in developing new foods and beverages based on modern science. References to the Jehotang were found in nine Korean medicine books, seven general books, and in dynastic records such as Bibyeonsa deungnok, Joseonwangjosilrok, Seungjeongwon Ilgi, etc; thus, it was likely a food since the early Korean age. Furthermore, it was discovered that in the Chosun era. Jehotang was not only drunk as a soft drink at the Royal Court in the summer, but was also used as a royal gifts to Cabinet members at the Tano festival on the fifth day of the fifth month of the lunar calendar.