Practice: 1. Choose jellyfish marinated every other year, wash off the sediment, soak it in clear water for 5-6 hours, then wash off the sediment, cut it into small pieces along the jellyfish petals, and rinse it with clear water for several hours. 2. Put the chopped green onion in a small bowl, heat the peanut oil in a pot, and rush into the chopped green onion bowl to make the chopped green onion smell, that is, chopped green onion oil. 3. Filter the jellyfish head to remove water, enlarge the bowl, inject boiled water at 80℃, drain the boiled water immediately, add mature vinegar, soy sauce, sugar and monosodium glutamate while it is hot, and then pour in sesame oil and scallion oil to serve.