Beef cleaned and cut into slices, add an appropriate amount of salt, chicken essence, oil, soy sauce, cooking wine, pepper, etc. Stir, then add an appropriate amount of starch and egg whites evenly mixed, marinate for a period of time can be. 1, cleaning beef in the market to buy fresh beef after cleaning beef with water, clean, put the beef in the basin, add the beef can not over the water, soak for an hour or so, soak beef can help remove the beef inside the blood and dirt, but also remove the fishy smell of beef, so that they fry out of the beef is more tasty, in order to remove the blood from beef, many people will directly use blanching such a kind of water, and then add a lot of starch and egg whites. Many people will directly use blanching such a method, in fact, compared to blanching, directly soak the beef this method is a little better, will not affect the taste of beef. 2, marinated beef after soaking well with water and then rinse again, cut the beef into slices, pay attention to the texture of the beef to slice, or fried beef will be very old, beef slices after the completion of a large clean bowl. Take out a small bowl, add some edible alkali in the bowl, with warm water to melt the edible alkali, generally the ratio of warm water and edible alkali is 1:60, mix and stir well, pour into the bowl with beef, mix well with your hands, so that the beef fibers can be softened, which will allow the beef to absorb water better, the beef will not be old to fry out. In addition to adding alkaline water, you also need to add cornstarch and peanut oil, mix well after the bowl covered with a layer of plastic wrap, it is best to put in the refrigerator inside the refrigerator marinade, will make the beef become tender and smooth.