1, the appearance of different forms. The leaves of rapeseed are large, oblanceolate or oval, dark green in color; while the leaves of Shanghai green are relatively small, elongated or ovoid, bright green in color, and the petiole is wider, greenish-white. The roots of rape are large, while the roots of Shanghai green are small.

2, the taste is different. The stem of rape is thicker, crisp and tender, with some bitter flavor; while the stem of Shanghai green is more tender, more refreshing taste, with some sweet flavor.

3, different nutrients. Oilseed rape is rich in vitamin A, vitamin C, calcium and dietary fiber and other nutrients, which help to protect eyesight, enhance immunity and promote bone health; while Shanghai green contains more vitamin C, folic acid and calcium and other nutrients, which help to protect heart health, prevent cancer and enhance immunity. Shanghai green is relatively low in calories, making it suitable for people who want to lose weight and stay healthy.

4. Different culinary uses. Oilseed rape is suitable for stir-frying, stewing or as a topping, and can also be used to make special dishes such as rape cake; while Shanghai green is more suitable for cold, stir-frying or as a hot pot side dishes, but also can be used to stew or to make a delicious soup dishes.