Precautions during chemotherapy: 1, take the drugs on time: chemotherapy drugs are generally about half an hour after meals, twice a day. 2, intravenous chemotherapy pay attention not to move the infusion set, once the chemotherapy drug leakage to the subcutaneous, will cause skin necrosis, close observation, once there is a problem, immediately contact the nurse and the doctor in charge to deal with. 3, the contents of laboratory tests during chemotherapy: because chemotherapy can cause bone marrow suppression, that is, a decline in white blood cells, red blood cells, platelets. It is best to recheck the blood routine and liver and kidney function every week, and if there is any abnormality, seek medical attention and deal with it in time. Once the drop to a certain level, chemotherapy is discontinued and drugs are applied to raise blood cells. White blood cell decline, easy to catch a cold, resistance, decline in serious, once the infection, it is difficult to control; platelets less than 90, generally suspend chemotherapy, less than 50, at any time there will be brain bleeding, internal bleeding, pay attention to the activity, do not fall. 4, chemotherapy during the diet: avoid cold. Do not drink cold water, do not use cold water to wash hands and feet. Oxaliplatin drug causes peripheral neuritis, aggravated by low temperature. 5, adjuvant drugs during chemotherapy after the chemotherapy drugs stop, continue to take. 6, home during the oral chemotherapy drugs, if there is discomfort, timely feedback. You can consult through this website, or upload laboratory tests.