Cancer patients can undoubtedly eat leek, leek is a common vegetable, the more characteristic is rich in dietary fiber, this dietary fiber is more helpful to cancer patients, can promote intestinal peristalsis, help defecate, improve digestion. In addition, leeks have more B vitamins and are rich in other carotenoids, which are normal vegetables that cancer patients can consume to supplement their nutrition. Some elderly people think that cancer patients cannot eat leeks, probably mainly because they think that this is the traditional so-called hairy thing, but in fact, there is no such thing as hairy thing, especially in the middle of the diet of cancer patients. Modern medicine says that this kind of hairy material, in fact, is mainly to consider that some people are allergic to this kind of heterogeneous protein, such as eggs, fish, shrimp, crab, after eating, it is easy to lead to the occurrence or recurrence of some allergic diseases like asthma and some hives, this is mainly due to the fact that people in the past intake of this kind of protein content is less, for some heterogeneous protein allergy rate is higher. But like leeks, there is no evidence of any association with cancer, and there is no research to prove that it will lead to cancer deterioration or recurrence, so you can eat it, don’t get too tangled up in this problem.