1. Add proper amount of vinegar and alkaline noodles to the water, put the octopus in and rub it with your hands until the mucus on the octopus surface is cleaned.
2. Find out
1. Add proper amount of vinegar and alkaline noodles to the water, put the octopus in and rub it with your hands until the mucus on the octopus surface is cleaned.
2. Find out the octopus's teeth and pull them out.
3. Cut the octopus's head with scissors.
4. Squeeze out all the internal organs, throw them away and wipe the ink clean.
5. Peel the octopus and tear it off from the head. Just wash the octopus.