‘Lingxiu No.1’ is a new early-maturing broccoli F1 hybrid developed by crossing cytoplasmic male sterile line LR-166，which was obtained by crossing and backcrossing between male sterile line CMS08 and inbred line LD-166 as recurrent parent，and DH line LD-21.It takes about 55-65 days from transplanting to harvest.‘Lingxiu No.1’ has strong growth potential.Its plant heigh is 55 cm，expansion is 65 cm with wide oval，microfold，smooth edges，dark green，thick wax leaves，and good resistance to downy mildew and black rot.‘Lingxiu No.1’ has a high round，mushroom-shaped，tight head with small bead size and good tolerance to purpling under cold conditions.Its single head weight is about 450 g.It is suitable for cultivation both in open and protected fields in North China.Seedlings of ‘Lingxiu No.1’ should be kept in the greenhouse in 50 or 72 holes seeding tray.The seedlings with age of 35 days in spring，25 days in summer were appropriate，the optimal density was 2 800 strains/667m2.It is important to keep the soil moist，adequate supply of fertilizer,as well as prevent the dispersal of diamondback moth and pieris rapaeduring the growing season.Harvest should begin when curd mature.Curds need to be saled or trimmed and cooled immediately after harvest.