There may be some relationship with diet inside the general cancer development factors. Using beneficial vegetables have certain anti-cancer effects, such as broccoli, fungus, and some fresh green vegetables. But it is not certain which vegetables have the exact and best anti-cancer effect, and there is no medical research to show that. Besides, it is not possible to rely on eating vegetables alone to fight cancer, it can only play the role of improving immunity, replenishing vitamins and nutrition. For fighting cancer, you need to rely on medication or regular health checkups for early detection and treatment. There are very many classifications of cancer, and cancer may occur in different parts of the body. Generally, if it can be treated by surgery in early detection, it is best to cure it radically by surgery, and after surgery, it can be combined with dietary regimen as well as radiotherapy and chemotherapy, etc. This effect is the best. It is not possible to rely solely on health maintenance and consumption of any vegetables or fruits to play a role in the complete prevention of cancer, which cannot be done.