1, there are two methods to soak deer tendons, which are oil-fat method and water-fat method. To soak the deer tendon with oil, first pour the deer tendon into 50% hot oil and fry it until it expands, then wash it with warm water and soak it for several hours, and finally pour it into a pot and cook it soft. 2. If the deer tendon is soaked with water, it is necessary to soak the deer tendon in clear water for one night, then remove the deer tendon and clean the tendon skin on its surface. Finally, pour it into the pot with ginger, onion and wine for about an hour and wash it.