Capecitabine tablets are anti-tumor drugs with selective cytotoxicity, resulting in inhibition of cell division and interference with RNA and protein synthesis. Common side effects include anorexia, diarrhea, vomiting, nausea, stomatitis, abdominal pain, hand-foot syndrome, dermatitis, fatigue, drowsiness, dehydration, and low appetite. Capecitabine tablets are mainly used for adjuvant chemotherapy for colon cancer, colorectal cancer, breast cancer, stomach cancer and other diseases. The medication should be noted: allergic to capecitabine or fluoropyrimidine is prohibited, prohibited in patients with a known complete lack of dihydropyrimidine dehydrogenase (DPD) activity, should not be administered concomitantly with sorivudine or its analogues, prohibited in patients with severe renal impairment, contraception is recommended during the period of use of the drug, breastfeeding should be discontinued by lactating mothers, and the use of the drug in children under the age of 18 years is not yet clear. If you need to use capecitabine tablets, it is recommended to consult a professional doctor, follow the doctor’s instructions for standardized treatment, not blindly use their own medication.