Carboplatin combined with capecitabine is a chemotherapeutic regimen for the treatment of malignant tumors, commonly used in breast cancer and so on, but need to pay attention to the relevant contraindications and adverse reactions. Carboplatin + capecitabine regimen is a commonly used regimen for chemotherapy, and the two drugs can inhibit tumor proliferation and metastasis to a certain extent. For colorectal cancer, breast cancer, gastric cancer and other malignant tumors, this regimen can be used for pre- and post-surgery adjuvant chemotherapy, late palliative chemotherapy and so on. However, it should be noted that anorexia, diarrhea, vomiting, dermatitis and other adverse reactions are very common during the process of drug administration, and attention should be paid to symptomatic intervention in drug administration; for children, breastfeeding and pregnancy and other females, it is necessary to use the drug with caution after a full assessment of the advantages and disadvantages. The drug is contraindicated in the presence of drug allergy, loss of dihydropyrimidine dehydrogenase activity, severe renal impairment, severe myelosuppression and other serious adverse reactions. Carboplatin + capecitabine regimen needs to be used under the strict supervision of a physician, and unauthorized use of the drug is absolutely prohibited.