No need. Wash the meat before marinating it, cut it into thin slices, and the cornstarch marinade can lock in the moisture of the meat, reduce the loss of moisture, and at the same time make the meat taste tender and smooth. Raw flour has a wide range of uses, not only can be used to marinate meat, but also in the process of cooking vegetables can be used to thicken the sauce, can make the dishes taste thick, raw flour can also be used to make cold noodles, spread pancakes and so on.