At present, tumor drugs are mainly divided into the following categories: 1. chemotherapy drugs: non-selective anti-cancer drugs, and there are several clinical classifications according to the different mechanisms of action of drugs, because of its non-selective nature, chemotherapy drugs have more clinical toxic side effects. 2. targeted therapy drugs: a kind of anti-cancer drugs with high selectivity, and the mechanisms of action are also different clinically. 3.Biological agents: Biological agents mainly regulate the immune function of the body and mobilize the body’s own anti-tumor effect. 4.Immunotherapeutic drugs: Immunotherapeutic drugs are an emerging anti-tumor treatment measure in recent years and are mainly used clinically as immune checkpoint inhibitors. 5.Chinese medicinal preparations: At present, many Chinese medicinal preparations also contain anti-tumor ingredients and are therefore used clinically as adjuvant anti-tumor agents. It is also used clinically as an adjuvant anti-tumor.