Chinese cabbage (Brassica pekinensis (Lour)Rupr. ) is a biennial herb of Brassica in Cruciferae, with a height of 60 cm. The whole plant is hairless, with many basal leaves, large, obovate oblong to broadly obovate.

The tip is blunt, the edge is wrinkled, the petiole is white and flat, the flowers are bright yellow, the sepals are oblong or ovate-lanceolate, erect, light green to yellow; Petals obovate, pedicels spreading or ascending, seeds spherical and brown. It blooms in May and bears fruit in June.