It features rapid growth, erect and compact plant type, thick leaves, good softness, easy to bundle, light green and glossy outer leaves without thorns, white and hypertrophic stem, bright yellow heart, good taste, suitable for both raw and cooked eating, rapid growth, vigorous growth, list 3-5 days earlier than Early Maturity No.5, higher yield, list 20-30 days for summer sowing, high resistance to heat, rain and disease, wide adaptability, suitable for cultivation in all regions of China all the year round, fertilizer and water loving, apply enough base fertilizer, add organic fertilizer and ternary compound fertilizer, heavy application of nitrogen fertilizer, apply enough fertilizer and water, no hardening of seedling, 10x15cm plant spacing.