Gently press the front end of the peanut with your thumb and forefinger to make a small hole in the peanut shell. Press a small hole on all peanuts in turn, so that it is easier to taste when cooking. Pour the processed peanuts into the pressure cooker and add water, and the ratio of water to peanuts is 1: 1. Carve health care on star anise and cinnamon, put a piece of cinnamon, two star anises (if you like heavy taste, you can put some spices at home, and if you like spicy food, you can put a few dried peppers together) and add 4 spoonfuls of salt, about 20 grams. Peanut 10g salt per catty is more suitable. Stir the peanuts with a shovel to mix the salt and peanuts evenly. Cover and cook for 20 minutes. Don't open the lid immediately after cooking. Stew for another half an hour, then open the lid.