Targeted drugs are a very effective treatment drug for malignant tumors. Targeted drugs can make tumors disappear, can make tumors shrink, and can control tumors. The main methods of treating tumors are surgery, chemotherapy, radiotherapy, targeted drug therapy, endocrine therapy, biological therapy, hepatocyte transplantation therapy, immunotherapy, PD-1 therapy and so on. Targeted drug therapy is a process of using the special protein on the surface of tumor cells as the target, through the combination of this drug and the special protein on the surface of tumor cells, binding this malignant tumor cells, killing and controlling the tumor cells, called targeted drug therapy. Active treatment, early detection, early diagnosis and early treatment are the keys to cure cancer and prolong life.