1. Wash the duck, cut it into large pieces, boil the water in a pan, and put the duck pieces in.
2. Blanch the boiled duck pieces with bleeding foam and drain them out.
3. Add an appropriate amount of oil to the pot, add ginger and green onions and stir fry.
4. Stir-fry until fragrant, then add the blanched duck pieces and stir fry together.
5. After the duck is slightly fried, add a proper amount of water and a few grains of Lycium barbarum, red dates, astragalus and yam.
6. After the fire boils, simmer for 30 minutes.
7. When the duck is eight-ripe, add wax gourd pieces cut into moderate sizes.
8. Cook for another ten minutes, then add salt and pepper to taste.
9. The boiled wax gourd is translucent, while the duck soup tastes delicious.