First, if we use black-bone chicken. It is best not to blanch the water, but to put it in a casserole. Then, add water and boil it. Remove the blood foam from it with a spoon, and you can do it.
This is to ensure that the nutrients in chicken are not lost. Make sure it tastes better. Then we can add some Chinese herbal medicines to make it more nourishing and nutritious.
To sum up, it is best not to blanch the water, just let it boil and then go out. Blanching water will make the nutrients in chicken lose!