Many patients go home without knowing how to better spend the weeks during chemotherapy. Do not know how to do to prevent and deal with adverse reactions after chemotherapy, here are a few points can be referred to: Prevention of infection: the number of white blood cells in the body after chemotherapy is reduced, then the body’s immunity will be reduced, easy to induce colds and other infections, so during chemotherapy in life should be diligent bathing, appropriate exercise; must wear a mask when going out; reduce visitors, away from the source of infection; pay attention to regular monitoring of blood routine changes, especially in The temperature should be monitored when the white blood cells drop to the lowest level (around the 10th to 14th day after chemotherapy). Reduce nausea, diarrhea or constipation: Stomach discomfort and gastrointestinal disorders may occur within 1 week after chemotherapy. It is advisable to eat little and often; eat slowly; and do not eat food that is too hot. You should drink more water, not eat spicy things, and eat more non-irritating food. To avoid constipation, you should eat more high-fiber foods, such as foods with coarse grains, fruits, vegetables, etc. Enhance the care of mouth ulcers: Proper oral care and keeping the mouth clean can prevent mouth ulcers after chemotherapy. Remember to brush your teeth after each meal and use a soft toothbrush to prevent food residues from being retained, and rinse your mouth with light salt water or light alkaline water after brushing. Appropriate exercise to improve fatigue: Chemotherapy patients generally have a sense of weakness and fatigue, which is related to the toxic metabolites of chemotherapy drugs, adverse reactions to the consumption of energy, low white blood cells are related. Adequate sleep and timely rest are the most common treatment methods used by patients. However, this feeling of lethargy and fatigue may still not be relieved. Appropriate exercise during chemotherapy can be effective in helping to overcome sluggishness exercise, such as walking and climbing stairs. Doing something that relaxes you before going to bed, such as taking a bath or reading a book, can promote sleep. In addition, if you have numbness in your hands and feet after chemotherapy, you can promptly report to your doctor. This may be caused by the neurotoxicity of some chemotherapy drugs, and patients should wear protective gloves when holding hot or sharp things, and use handrails when moving around or use anti-slip mats when bathing to prevent falls.