Duck blood is put into a basin or vessel, preferably ceramic, and a spoonful of salt is added after washing. Don't shake it after filling, let it stand for about half an hour, and it will be completely solidified.

Duck blood is the blood of domestic ducks. Might as well draw blood. It tastes salty and cold. It can replenish blood and detoxify. For blood loss and blood deficiency, you can draw blood while it is hot, or rush into a hot wine suit.