During the reign, Huang Guifei, Zhao's favorite, fell ill. I used a lot of medicine, but it didn't work. A quack walked into the palace and felt his pulse. He said: "Rock sugar and hawthorn are bitter. Take a few pills before meals, and you will be ill for half a month. " Recover as scheduled. Later, it spread to the people and became a sugar-coated gourd. Just call it "imperial concubine candied haws" ~