Raw octopus may contain parasites, and it is recommended that patients should cook it thoroughly before consumption to avoid adverse effects on the body. Octopus belongs to aquatic animals, there may be a variety of bacterial spores and parasite eggs in the water, can be hosted in the octopus body and a large number of reproduction, so eating octopus may lead to parasites into the body, and if the parasites in the body for further spawning, may lead to parasitic infections and other conditions, abdominal pain, anal itching, blurred vision and other symptoms. Although octopus is a high-protein ingredient that can replenish nutrients needed by the body, it is recommended that patients should cook octopus completely before eating it to avoid causing harm to the body. Patients who experience other allergic reactions, etc. should also stop using it immediately and go to the hospital in time.