After the spread of pancreatic cancer, there is no way to cure it completely. After the spread of pancreatic cancer, it is generally in advanced stage, there is no way to cure it completely, and there is no way to achieve radical treatment through surgical resection, only some palliative anti-tumor treatment can be used to control the growth and reproduction of tumor cells. When pancreatic cancer spreads obviously, radiation therapy can be adopted to target local tumor tissues, which can inhibit the spread and development of pancreatic cancer; as well as chemotherapy, through chemical synthesis drugs, such as gemcitabine, oxaliplatin, etc., to kill tumor cells or inhibit the reproduction of tumor cells; and also the use of targeted therapeutic drugs, such as erlotinib, etc., to control the deterioration of the condition. It is recommended that patients actively comply with medical advice to prolong the survival period and alleviate the pain caused by the disease.