What is the rule of food therapy for bile duct cancer? Bile duct cancer is one of the common tumor diseases, and clinical research has found that bile duct cancer, like esophageal cancer and liver cancer, can benefit from proper dietary maintenance to a great extent. The main dietary recipes for cholangiocarcinoma patients that are helpful for healing are as follows: a. Emphasis on balanced nutrition and support for deficiency “internal deficiency” is the main contradiction in the process of disease onset and development. It causes cancer because of deficiency, and causes deficiency because of cancer. The intention of food therapy is to ensure that patients with cholangiocarcinoma have enough nutrients to make up for their deficiencies, to improve the anti-disease ability of the body and to promote the recovery of patients. Bile duct cancer is the same as other diseases, patients have different yin and yang, cold and heat. Food is also different from hot and cold, warm and cool, pungent, sweet, bitter, sour and salty. The five flavors are imported and each of them has its own place: sweet to spleen, pungent to lung, salty to kidney, bitter to heart and sour to liver. Pungent taste is warm and dispersed, such as ginger and onion; sweet taste is relaxed, such as yam, gorgonzola and syrup; light taste is permeable, such as winter melon and coix seed; sour taste is astringent, such as umeboshi and hawthorn; salty taste is soft and firm, such as seaweed, kombu and oyster. Some foods have both therapeutic and anti-cancer effects, so they can be selected and used accordingly. Foods such as garlic, soy products, green tea, etc. are all good anti-cancer medicines, which can be eaten more often in normal life to help heal the disease.