Tender ginger washed, thinly sliced, put into a bowl with salt, marinate for 20 minutes, rinse and drain, put into another small bowl, add sugar, rice vinegar and mix well, made of vinegar ginger; wasabi into a small bowl, and then add soy sauce, adjusted into the wasabi sauce can be. Tear off the outer membrane of octopus, wash, blanch in boiling water, fish out and cut into pieces, served on a plate, add vinegar and ginger, eaten when dipped in wasabi sauce can be. Octopus before cooking, need to remove the viscera, tear off the outer membrane, and then use a small stick to beat the foot of the sucker, so that the meat is loose.