New Chinese cabbage cultivar ‘Shuangguan Wang’ was bred from the crossing self-incompatibility line ‘8426-7-3-7-8’ with ‘9506-5’.This cultivar has good economic trait and late bolting character.It can be cultivated in open fields in the coldest season in high altitude areas of central Yunnan.It has high yield and disease resistance and can be well cultivated all year round in open field.Its average yield is about 5 500 kg/667m2.It is suitable to be planted in Yunnan,Guizhou and West Sichuan in large scale.