In China, onion is also called onion, jade onion, ball onion and red onion. It was called onion in Yuan Dynasty and Hu onion in Ming Dynasty. Onion, scallion and scallion are all species introduced to Chinese mainland from abroad and Alakazam. The rest of the onion names come from hieroglyphics and colors. In ancient China, onions had many names. Some people call onion Polygonum hydropiper, because according to Compendium of Materia Medica, onion is a herb with holes in the grass, so the word Polygonum hydropiper comes from it. Others are called onions and grass. Why did 35sk.com take such a name? According to Qing Louis, licorice must be used as medicine for onions and dumplings, so the classical Chinese says "harmony with grass". In addition, there are names such as Cai Bo and Lu Tai. Onions originated in West Asia and were discovered more than 3000 years ago. Compared with tomatoes and kale, it can be called an old hand in vegetables. When it was introduced into China, there were still many different opinions. Some say it was introduced from the Tang Dynasty, some say it was introduced to the East during Genghis Khan's iron-riding expedition in the Yuan Dynasty, and some say it was introduced from abroad only this century. All the above statements make sense, because they refer to different kinds of onions. At present, some onions cultivated in China were imported only at the beginning of this century.