One of its eating frequencies, our suggestion is twice a week. Of course, you can drink it every day if you have time and energy.
Homecooking practice: after cleaning the materials, put them in a saucepan, add about 500mL of water and stew for 2 hours (each packet can be 1-2 people).
The practice of tea drinking in the office: after cleaning the materials, add about 500mL of water to soften them, boil them in a health pot and simmer for 30 minutes (water can be added continuously for a whole day).