Bone marrow suppression bone marrow suppression, is caused by white blood cells, platelet reduction, and even some appear anemia patients to keep the skin, mucous membrane body clean, access to many places to wear a mask, not hospitalized patients adhere to every day after home first wash hands, rinse mouth, chemotherapy 7 ~ 10 days to avoid eating cold food, to heat fresh food, if necessary, according to medical advice to take antibiotics gastrointestinal reactions nausea, vomiting. It is the reaction of the gastrointestinal tract, which is also an important reason that makes it difficult for patients to adhere to or unwilling to complete chemotherapy, is strong nausea and vomiting, so that patients are uncomfortable, and can not eat even mild nausea and vomiting symptoms, patients will feel discomfort, doctors should be judged according to the extent of the patient affected, medication and treatment, generally first use prophylactic drugs, and then to their dietary guidance, eat more light, easy to digest food. In order to prevent dehydration, the minimum daily water intake is 500 ml, and the number of meals should be more than usual, preferably soft and easy to digest, but with high protein, vitamin-rich and adequate caloric requirements, which is what people call “less and more”. Even if there is vomiting, you should insist on eating. If the amount of food is not enough, you can supplement glucose, vitamins and amino acids through infusion, and give albumin if necessary. Oral inflammation after chemotherapy can cause some inflammation of oral mucosa, some appear oral bleeding, pain, infection and ulcers, mucosal ulcers instruct patients to add preventive drugs in mouthwash, rinse mouth diligently, ice chips in mouth when infusing anti-cancer drugs to cool oral temperature, if oral inflammation occurs, analgesic drugs should be taken before diet and mouthwash, and diet should be hygienic hair removal whose ways and parts vary from person to person, and also make skin Some patients start to lose their hair after two cycles of chemotherapy, especially for some young female breast cancer patients, once they hear that their hair is going to fall out and become a bald head, it is very hard to tolerate this, once they hear it, they may be resistant to chemotherapy, they should tell the patients to pay attention to scalp cleanliness and reduce the stimulation to the scalp, because hair removal will bring a great blow to the patients psychologically, they can Encourage the patient to wear a hat or wig, etc. Diarrhea diarrhea is judged mainly based on the nature and amount of defecation, should first understand the patient’s defecation, according to whether the water balance in and out, accompanied by symptoms with or without symptomatic treatment, diarrhea can cause dehydration and anal infection should allow patients to drink more water and wash the anus after the stool to prevent the occurrence of infection constipation. In addition to the factors of the drug itself, and the patient’s mental and exercise deficiencies and other reasons, in addition to their age, diet, excretory environment also affect the patient’s defecation should allow patients to increase the amount of water, eat more crude fiber-rich food, nursing staff should also pay attention to the observation of other diseases caused by constipation, such as hemorrhoids, timely detection of symptomatic treatment of liver and kidney function damage to liver and kidney function, according to the different drugs, it The degree of damage is different, can appear transaminase elevation, jaundice, and in severe cases can also produce acute renal failure application of liver protection drugs? In addition, age, diet, and excretory environment also affect the cardiotoxicity of patients’ bowel movements. Patients with breast cancer may experience panic attacks, chest tightness, or even arrhythmia and ischemic changes in the heart by applying cardioprotective drugs and giving oxygen inhalation if necessary? What are the allergic reactions to heart panic, chest tightness, even arrhythmia and ischemic changes in the heart? Some chemotherapeutic drugs can cause allergic reactions to the use of anti-allergic drugs phlebitis when breast cancer chemotherapy is administered. The use of central venous catheter for infusion of chemotherapy drugs can avoid phlebitis and skin necrosis caused by extravasation of chemotherapy drugs? thrombosis.