Raw fish and shrimp is a delicacy that many Cantonese people find hard to give up, but these delicacies can be a “deadly disaster”. Liver fluke damage is not only the liver, due to long-term stimulation of the worm, causing chronic inflammation, so that the bile duct atypical hyperplasia, this hyperplasia from mild to severe, and eventually may cause bile duct cancer. In addition to not eating raw freshwater fish and shrimp, you should also pay attention to the hygiene of the cutting board. Some families do not separate the cutting boards for raw food and cooked food, resulting in cross-contamination, and liver fluke may adhere to the cutting boards when processing some freshwater fish. If the cutting board is not thoroughly disinfected and other cooked food is processed, then the liver fluke may be infected. The treatment of bile duct cancer focuses on early detection and early treatment. The most fundamental way to cure bile duct cancer is to strive for early surgical resection. Therefore, when symptoms such as skin jaundice, itching, abdominal pain and unexplained wasting are found, medical treatment should be sought as early as possible to avoid delaying the disease.