The varieties of winter squash are divided into white, yellow and flowered skin according to skin color, and are divided into large winter squash and small winter squash according to their size. Commonly used varieties in the Yangtze River Basin include large white-skinned winter squash, small white-skinned winter squash, and large yellow-skined winter squash from Nanjing, white winter squash, yellow-skinned winter squash, and flower-skined winter squash from Anhui, and northern pumpkin from Huai’an. In addition, there is also a kind of red pumpkin with a protrusion on the umbilicus, hard peel, and storage resistance. The pumpkin that is placed on the table for ornamental purposes is also a winter squash.