Eight components of Bazhen cake: Bazhen cake published by Chen Shigong in Ming Dynasty consists of nine Chinese medicinal materials: Codonopsis pilosula (or ginseng), Poria cocos, Atractylodes macrocephala, Coicis Semen, Dioscorea opposita, Euryale euryales, lentils, lotus seeds and dried tangerine peel, but these nine materials have the same origin of medicine and food, that is to say, they can be used as medicine as well.

Bazhen cake, also known as Qingzhong Bazhen cake, is a famous dietotherapy remedy. This was originally a secret recipe handed down by physician Chen Shigong. He paid attention to the maintenance of spleen and stomach qi and blood all his life, and his life span reached more than 80 years old. In the forty years since Qianlong, emperors, empresses, concubines, royalty, princes, ministers, etc. Everyone is scrambling for food. Empress Dowager Cixi also likes to eat Bazhen cake, and she never stopped eating Bazhen cake until her later years. Imperial Restaurant is made of the best materials and specially made for her.