Feed capable of improving meat quality of pork pig and preparation method thereof

The invention discloses feed capable of improving meat quality of a pork pig and a preparation method thereof, which and belongs to the field of feed processing. Vegetable proteins, animal proteins and energy feed are used as main materials of the feed, the vegetable proteins are selected from soybean meal and peanut cakes, the content of CP (30 to 46 percent) and fat is high, the nutritional value is high, the palatability is good, and the toxicity is avoided; the animal proteins are selected from fish powder meal and blood powder, the energy content and mineral content are relatively high, the content of amino acid necessary for the pig is relatively complete, the content of the crude proteins can reach 55 to 84 percent, and the lysine is rich; and the energy feed is selected from corn,wheat, barley and sweet potatoes, the content of dry crude fibers is low, the palatability is good, the digestion rate is high, the dried sweet potatoes and wheat are used for substituting partial corn, so that the top-grade