Carya cathayensis bark can cure cancer, but the effect is not very good. It is generally recommended to supplement selenium in the diet. Selenium can prevent recurrence and metastasis, improve the body's repair function, and control the further deterioration of cancer patients. For example, Tihengjian selenium Weikang chewable tablets contain selenium malt, vitamin E and β -carotene with high selenium content and good absorption, which can be purchased online, which is very convenient and fast.

Usually eat more selenium-supplemented foods, such as sesame, spinach, garlic, asparagus, mushrooms, prawns, tuna and sardines.