Wash Sydney, remove the core and cut into pieces; Put the cut Sydney blocks and rock sugar into a health pot; Break Siraitia grosvenorii into small pieces and pour them into a health pot; Then pour 1.2 liter of purified water; Press the menu button to select "2- Huaguocha", and then press the start button to start making tea; When the tea is finished, the buzzer will prompt you, then pour in Lycium barbarum seeds, cover and stew for 2 minutes.