The difference between the two lies in the variety and eating method.

1. Varieties: Shanghai Qing, also called green cabbage, Chinese cabbage, with light green petioles and green leaves; Shanghai Bai, also called Piaoer Bai, white rape, etc., with white petioles and leaves.

2. How to eat: Shanghai green is suitable for cooking methods such as stir-frying, boiling, and cold dressing; while Shanghai white is more suitable for stewing, stir-frying, boiling, and other cooking methods.