Hehe, I asked the right person. According to our family's experience in making dumplings, we should prepare the following materials: 1. Fresh pork, preferably lean meat, 2. A small amount of green vegetables or Chinese cabbage, lettuce, etc., depending on your own taste and the mouth you ate at that time. 3. Eggs can be beaten in the stuffing of prepared meat and vegetables, or the eggs can be spread like omelets after adding some onions, chopped and put into the stuffing. This makes it easy for the dumplings to have soup 4, a small amount of onions, ginger and garlic. If you like spicy food, you can add a little pepper, which is what my family likes. You can also put some lard or sesame oil, which has a fragrant smell. If it is sweet 1 sesame 2. Peanut butter 3. Red bean paste, our family usually makes these kinds of sweet ones, because they can be bought in these supermarkets, so we don't need other ingredients.