Abstract: ‘Zaokuai 25’is a new Chinese cabbage cultivar of semi-upright fast vegetable mixed species prepared from parent 16-08-16-21-1 and parent SY-16-5-31. The plant height was 28.5–32.7 cm，29.5–35.1 cm，and the sowing could be harvested for 25–28 d. The single plant weight is 180–220 g，222 000–330 000 seedlings · hm^-2 were retained. The yield is 39 000–45 000 kg · hm^-2. Leaf face is light green，leaf ribs on both sides of the leaf wings，petiole is white，leaf surface is obovate，heat resistance，antiviral disease，downy mildew，fast growth rate. Suitable for Wujiaqu City，Xinjiang and construction corps and the same climate area of Chinese cabbage in summer and autumn open field cultivation and facility cultivation.

Key words: Chinese cabbage, F₁ hybrid, seedling, cultivar