1. First of all, we need to divide the pork that needs to be preserved into small pieces, so that the pork does not need to be taken as a whole during the preservation process, and it is especially convenient to take as much as you eat, thus reducing the repeated thawing of pork. 2. After dividing the pork into small pieces, we should prepare a proper amount of cooking oil, and then use a brush to evenly apply a layer on the surface of the pork. 3. The application of edible oil can form a layer of oil film on the surface of pork, so that the pork will not lose water and nutrition during the preservation process, so as to ensure that the taste of pork will not be damaged. 4. Prepare an appropriate amount of plastic wrap, or an appropriate amount of fresh-keeping bags, and then seal and save the pork, so that the pork is in a vacuum environment, and then put it in the refrigerator to freeze and save, which can effectively improve the preservation time of the pork. 5. If you use this method to preserve pork, you don't have to worry about the taste of the pork. It will grow old and firewood, and the pork will not appear frost. Even if it is put on for a few months, it is very fresh and delicious. 6. When taking the preserved pork, we only need to soak it in warm water to completely defrost the pork.