1. Wash the pig's head, put a lot of water in a large pot, add ginger (chopped), onion and pepper and cook. I've cooked the finished product here before, and directly solved the slicing. 2. Prepare other ingredients and seasonings, cut celery and onion, pat garlic into mud, and practice Chili powder into Chili oil. 3. Take a big container, put all the ingredients, add all the seasonings and mix well.