Select fresh, complete and good quality green peppers, wash them, blanch them with hot water, and then dry them; Use a fruit knife to cut holes about two centimeters long on the surface of the pepper one by one to make the pepper taste better, and then arrange the cut peppers neatly in a pickling vessel for later use; Heat soybean oil, add chopped ginger, garlic and pepper and saute until fragrant. Boil the soy sauce, then add a proper amount of salt and sugar, and simmer until the salt and sugar are completely dissolved; Put the fried soybean oil, ginger, garlic and pepper into a soy sauce pot, fully cool it, and pour it into a container filled with green peppers; Store the container in a cool, ventilated and dry place.