Astragalus membranaceus 250g

Put Radix Astragali into two bowls of water, boil for fifteen minutes, pour out, add another bowl of water, boil and pour out for later use.

Wash the above medicinal materials, put Astragalus into water, boil for 40 minutes with low fire, add Lycium barbarum, and cook for 10 minute. This is the number of five days.