Arctium lappa L. is a kind of nutritious vegetable, which contains various vitamins, minerals, dietary fiber and other nutrients, and has the following functions:

1. Enhance immunity: Burdock is rich in vitamin C and polyphenols, which can enhance human immunity and prevent colds and other diseases.

2. Lowering blood sugar and blood fat: Burdock is rich in dietary fiber and carotenoids, which can delay the absorption of sugar and reduce blood fat, and is beneficial to prevent diabetes, hypertension and cardiovascular diseases.

3. Improve intestinal health: Burdock is rich in dietary fiber, which can promote intestinal peristalsis and defecation and prevent constipation and intestinal diseases.

4. Reduce the risk of cancer: Polyphenols in burdock can resist oxidation, inflammation and cancer, which helps to reduce the risk of cancer.

5. Anti-aging: Carotenoids and vitamin C in burdock can resist oxidation and help prevent aging.

However, burdock also has some hazards:

1. Some people may be allergic to burdock, and they will have allergic reactions after eating it.

2. The content of oxalic acid in burdock is high. Excessive consumption may affect the absorption and utilization of calcium and lead to osteoporosis.

3. Burdock has diuretic effect, and long-term large consumption may lead to water and electrolyte disorder.

Therefore, when eating burdock, we should pay attention to reasonable collocation, don't eat too much, and avoid allergic reactions.