Lung cancer is a common malignant tumor. After suffering from lung cancer, one should pay attention to dietary taboos and know what to eat and what not to eat in order to better regulate the body. Lung cancer is a common malignant tumor, and the diet of lung cancer patients is selective rather than indiscriminate, so they should choose suitable diet according to their own situation in order to prolong the survival period of patients and reduce complications. Then what should lung cancer patients not eat? Below are the foods that lung cancer patients can not eat. What should lung cancer patients not eat? 1, Spicy and systematic radical food: Because spicy and systematic radical food can stimulate trachea, damage mucous membrane, make local congestion and edema, cause choking and coughing, and even cause rupture and bleeding of mucous membrane, therefore, they should be avoided. 2, fishy food, greasy food do not eat: such as yellowtail, scallop, blackfish, shrimp, crab, eel, fat meat, roasted chicken and other such food may nourish the phlegm aggravate cough, it should be avoided. 3, prohibit smoking, alcohol: smoking, alcohol can make the bronchial dilatation, respiratory mucosa congestion, edema, increased secretion. Cigarette contains nicotine and more than 20 kinds of toxic substances are carcinogenic, alcohol can stimulate the secretion of pituitary hormone. Patients drink medicinal wine, more likely to cause blood heat delusion, Western medicine also think that alcohol can enhance the absorption of toxic substances, is a cancer-promoting agent. 4, coffee can not drink: because the caffeine contained in coffee is toxic to the human body, this toxic substance has a close relationship with the occurrence of cancer. 5, do not eat aphrodisiac food, tonic: for example: mutton, dog meat, pigeon meat, goose meat and sparrow meat. Many animals contain hormones, which are unfavorable to the recovery of the patient’s body. Do not eat cordyceps, ginseng essence, antler velvet essence, gui yuan, astragalus, wolfberry, xiyangshen, do not inject interferon, thymus peptide and other supplements. Some patients think that these drugs can make their body strong, in fact, it is not, these drugs can prompt you to consume more body energy, which can prompt the rapid growth and metastasis of lumps in cancer patients. 6.Don’t eat hot food: avoid scalding the mouth and esophagus. 7. Avoid eating more sugar and high fat food: sugar has the catalytic effect of causing cancer. Because sugar, especially refined white sugar, not only lack of vitamins and minerals. Two and will consume the body was not much minerals and B vitamins, so that the body’s ability to fight disease decreased. Pork, fat meat, butter and other excessive intake, can lead to weight gain body hormone changes. These factors will contribute to the occurrence of tumors. 8, rotten, smoked barbecue food must not eat: rotten food will produce a foul-smelling substances – acetaldehyde. This substance causes cancer rate is quite high. Because any use of charcoal, coal, gas barbecue food, contain carcinogenic substances benzo(a)pyrene, this carcinogenic substances eat too much, cancer incidence rate will increase accordingly. 9, avoid over-eating sauerkraut, pickles, bacon: these foods are easy to get moldy in the process of production, which often contain carcinogenic molds and carcinogenic substances nitrosamines. 10, salt can not be too much: too much sodium salt cancer may be sodium will inhibit the immune system, such as leukopenia. 11, do not eat high iodine food: for example: crab, kelp, shrimp and scaly fish, including iodized food and iodized salt. The lumps will break out if you eat these foods. Widely found in seawater, iodine is beneficial for benign tumors and hardening of the blood vessels, as it induces dissolution of soft tissues and thus has a phlegmatic effect. For bleeding disorders and cancer, however, it has traditionally been contraindicated.