Beigua is called Yingua because it was given to the prince by Emperor Taizong. In the story of Liu Quan entering the melon, it is told that Emperor Taizong sent Liu Quan to give the North Melon to Yan State. Because the North Melon entered the underworld, there is no North Melon in the world. The name of Beigua also changed.

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Mr. Liu, who lived in Jiangning, Nanjing since childhood, said that there were never pumpkins in some places in Jiangning. "We all eat wax gourd cakes, drink wax gourd soup and drink wax gourd porridge. Later, after listening to my colleagues talking about pumpkins, I realized that there was such a thing as pumpkins. " Mr. Liu said that what he knows about pumpkins and pumpkins are the same thing.

Some people on the Internet have speculated whether the north is called north melon and the south is called pumpkin. However, netizens in Northeast China, Shandong and Northern Jiangsu all denied it. Miss Li from Beijing said, "When was there such a thing as pumpkin? You can't call a pumpkin a pumpkin just because it's Beijing! " "However, a few netizens in Hunan and Hebei said that their hometown called pumpkins' northern melons', and pumpkins and northern melons are the same thing.