Steps:
1. Wash Radix Angelicae Sinensis, Radix Codonopsis, Radix Astragali, Fructus Jujubae and Fructus Lycii, and soak in boiling water for a while.
2. Wash the black-bone chicken, soak it in boiling water 10 minute to remove blood, and take it out for later use.
3. Cut two pieces of ginger for later use.
4. Put the ingredients into the stew, add 2 bowls of half boiled water and stew for 2 and a half hours.