It features extremely early-maturing, harvest about 30 days after planting, light yellow green, white and thin stem, straight tube shape leafy head, milky yellow heart, milky yellow and tender leaves, few fibers, suitable for raw and cooked eating, good taste, rapid growth, fast growth of heart, growing while heading, high resistance of heat, moisture, cold and disease, high yield, 1.5-2kg single fruit weight, suitable for cultivation in all regions of China.