The process of chemotherapy includes pre-chemotherapy physical assessment and protocol development, selection and establishment of chemotherapy channels, administration of chemotherapy drugs, and monitoring of chemotherapy side effects. 1. Pre-chemotherapy physical assessment and protocol development: Before chemotherapy, patients need to assess their physical tolerance through blood routine, liver and kidney functions and other relevant examinations, and doctors will develop a suitable chemotherapy protocol according to the specific conditions of the patients. 2. Selection and establishment of chemotherapy channels: chemotherapy is divided into intravenous chemotherapy, thoracic perfusion chemotherapy, abdominal perfusion chemotherapy and other different ways, the doctor will choose and establish different chemotherapy channels according to the specific situation, such as peripheral venous needle, central venous catheterization, thoracic puncture catheterization, abdominal puncture catheterization and so on. 3. Administration of chemotherapeutic drugs: chemotherapeutic drugs will be delivered into the body according to the specific chemotherapeutic regimen and drug usage, for example, intravenous chemotherapeutic drugs can be injected through peripheral venous needle or central venous catheter, and thoracic and abdominal chemotherapeutic drugs can be injected through thoracic and abdominal catheter, and so on. 4. Monitoring of chemotherapy side effects: Chemotherapy often causes nausea, vomiting, leukopenia and other side effects. Doctors will closely monitor and handle the related side effects during and after chemotherapy, and regularly review the routine blood tests and liver and kidney functions. Chemotherapeutic drugs have certain toxicity and need to be configured and given by professionals, so they must be implemented under the guidance of a doctor and not used on their own.