Radix Astragali Preparata 150g Lycium barbarum 100g Ligustrum lucidum 100g Polygonatum sibiricum 100g.

Soak for two or three hours, put it in a casserole, add water and cook for an hour on low heat.

Pour the water into the container, add the same water and boil for 40 minutes, then pour the water into the container.

Add water to boil for half an hour, filter the boiled water for three times with gauze and cook until it is slightly sticky. When it is slightly sticky, add honey according to personal taste, and then cook until it is sticky. In the meantime, keep stirring to avoid burning the pot.