This paper introduce the observation and nursing care of toxicity reactions in thirty-two advanced cancer patients treated with cetuximab combined chemotherapy. The nursing measures focused on pre-treatment psychological nursing,strictly abiding by the cetuximab combined chemotherapy protocols,as well as close monitoring and nursing interventions of toxicity re-actions. All the thirty-two patients accomplished the cetuximab combined chemotherapy. During the drug therapy,two patients suf-fered from allergic reaction and three patients with grade Ⅲ skin rash. All the toxicity reactions were alleviated after treatment.