Black skin winter melon, young melon green, mature melon is black, was cannonball type. This variety is a medium-late maturity varieties, normal growth of the first female flowers are generally born in 16-18 leaves, and later two to three leaves appear a female flower, young melon green, mature melon is black, the shape of a cannonball, so many farmers also called the cannonball-shaped black skin winter melon. Melon length of 60 cm or so, cross diameter 20-25 cm, thick flesh without hollow, especially resistant to transportation, single melon weight is generally 10-15 kilograms, the heavier up to 20 kilograms or more. But in the hot season to prevent sun exposure to avoid sunburn. Mu yield is generally more than 5000 kilograms, high yielders can reach more than 10000 kilograms. In China, the best growth area of black skin winter melon is in the Guangxi area of Hainan Province. Its growth of black skin winter melon: quality, large, thick flesh without hollow.