Soak in water, the purpose is to soak out the blood in the meat; time at least 2 hours, you can change the water twice in the middle of the water, which can not only obviously remove impurities in the meat, to achieve the purpose of deodorization; but also make the beef in the stewing of the meat without the obstruction of the blood, it can be more fully absorbed by the soup becomes more soft and tender, the taste will also be soft and juicy!