Clean the soaked tremella, remove the core of red dates (red dates are removed to get angry), wash the medlar, peel and cut the Sydney (you can also peel and cut it, but soak it in light salt water for more than 15 minutes to remove pesticide residues), pour everything except Fritillaria powder and Lycium barbarum into an electric purple casserole, add a proper amount of water, turn on the automatic gear, add Fritillaria powder and Lycium barbarum after about three or four hours, and stir. You can also put it in the refrigerator and eat it after cooling.