The invention discloses barbecued pork and a preparation method thereof. The barbecued pork is prepared from the following raw materials: streaky pork rolls, salt, boiled water of 87 DEG C, ginger, soybean sauce, green Chinese onions, white sugar, aginomoto, syrup, honey, sake of 15%Vol, mirin and extractive juice. The preparation method comprises the steps of raw material preparation, pork boiling, juice soaking, bagging, quick-freezing and preservation. Compared with the prior art, the invention has the advantages that the barbecued pork is diversiform in food material, rich in nutrition, excellent in taste, good in flavor, attractive in appearance, and convenient to eat, and the preparation method is simple and flexible and the like.