Duanwu seasonal climate hot, mosquito flies breeding, disease evil attack, in the lack of medicine years, the ancient people take "the season to do the season kuey teow" both food and prevent disease scientific processing production kuey teow food method, in order to achieve "seasonal prevention of seasonal disease" purpose, the era of Li Shizhen's " materia medica compendium " records: gardenia, clearing heat and diarrhea fire, removes annoyance and resolves depression, cools the blood and detoxifies, main treats the hot gas in the stomach, diarrhea triple jiao fire, removes the time disease heat, goes to the effect of hot poisonous wind and so on. Chaoshan people eat gardenia kuey teow at the end of the sun, clear heat, get rid of epidemic disease, help digestion, called seasonal health care kuey teow food.