1, the octopus is washed with clear water, the head is cut open, the internal organs are removed, the skin is torn off, and then it is cleaned.

2. Add proper amount of vinegar and alkaline noodles to the water, then add octopus and wash it by hand until the mucus on the octopus surface is cleaned.

3. Find out the octopus's teeth and pull them out.

4. Then open the octopus's head, squeeze out all the internal organs and wipe the ink clean.

5. Throw away all the octopus viscera.

6. Then peel off the octopus and tear it off the head.

7. Finally, rinse the octopus again. Clear water means clean.