“According to the latest research, the key disease location of pancreatic cancer transformation from inflammation to cancer is the pancreatic collateral, and the key pathogenesis is Fu Yang. The pathological changes are divided into three stages: qi disease, blood disease, and toxin generation. Based on the collateral disease theory, six therapeutic methods, such as strengthening the body and unblocking the collaterals, were proposed to provide new ideas for the prevention and treatment of pancreatic cancer.”