There are more than 20 kinds of fingered citron, and most of them are green skin and white skin. Green-skinned plants have strong growth, strong stems and vines, strong branches, strong resistance, easy cultivation, conical fruit, stiff thorns on the skin, green color, dense sarcoma, high yield, but poor quality; White-skinned seeds have thin and short stems and vines, weak branching ability, few melons, small fruit shape, smooth and spineless, light green or yellow skin color, few and sparse sarcomas, dense meat, waxy taste and good quality, but low yield. In production, the choice can be made according to the market demand and cultivation conditions. If the soil in the producing area is fertile, the fertilizer and water conditions are good, and fine management can be achieved, it is appropriate to choose white-skinned seeds, and vice versa.