Metastasis is a common complication in patients with advanced liver cancer, how to prevent metastasis? First of all, comprehensive and standardized treatment should be carried out. When going to the hospital for comprehensive treatment, the doctor may give you comprehensive interventional methods and hepatic artery embolization combined with radiofrequency minimally invasive treatment. Only when the immune function is enhanced will the recurrence rate be reduced and the survival time be prolonged. How to strengthen the immune function? First of all, a high protein diet is required. Secondly, some biological agents can be used to enhance the immune function, such as thymidine, which is commonly used in clinical practice. In addition, herbal medicine is also a good choice to enhance the immune function.