Side effects of oxaliplatin, capecitabine, bevacizumab combination chemotherapy include nausea, diarrhea, liver and kidney function impairment, anemia, etc. It is recommended to seek medical treatment in time for the occurrence of adverse reactions. Oxaliplatin, capecitabine, bevacizumab combination chemotherapy is commonly used in the treatment of cancer, with the effect of shrinking tumor foci, inhibiting tumor growth, controlling tumor metastasis, which can effectively improve the prognosis of the disease. However, this combination chemotherapy has certain side effects, common side effects include nausea, diarrhea, anemia, abnormal sensation, headache, hair loss, fever, leukopenia, allergy, etc., which need to be regulated under the guidance of the doctor according to their own conditions, and consult the doctor in time after the occurrence of adverse reactions.