Clean the fresh prawns, cut off the shrimp whiskers, and pick out the shrimp threads; cut some green onions and ginger slices, and prepare seasonings such as peppercorns, cooking wine, light soy sauce, and sugar. Heat oil in a pot. When the oil is hot, add scallions, ginger slices and Sichuan peppercorns and saute until fragrant. Then add the prawns and stir-fry until the prawns curl up and change color. Add cooking wine, light soy sauce and sugar in turn, stir-fry for a while, and add in Add appropriate amount of water, add a little salt, cover the pot and start cooking. Cook for about five minutes. When the soup in the pot is almost gone, turn off the heat. After serving, sprinkle with coriander and garnish, and the delicious braised prawns are ready.