Iron onion, also known as iron onion, is a special vegetable with the characteristics of long onion and good taste. Genetically modified food refers to food genetically modified by genetic engineering technology, but hard-core onions do not belong to this category. At present, China's genetically modified foods mainly include genetically modified soybeans, genetically modified corn and genetically modified cotton. Iron onion is a traditional non-transgenic vegetable, and its planting and production process has not been genetically modified. Therefore, consumers can safely eat iron onion, which is a safe and healthy food choice.