Chemotherapy drugs are highly toxic and irritating, and drug extravasation often causes serious consequences, how to deal with it? 1, the treatment of drug extravasation: chemotherapy drug extravasation can cause local pain, local tissue swelling and ulcer necrosis, or the formation of local hard nodes. The general principles of treatment for extravasation of intravenous drug infusion are: ① stop infusion; ② elevate the limb; ③ retain the needle, pump back the extravasated drug; ④ inject 5-10ml saline to dilute the exuded drug; ⑤ local use of antidote; ⑥ local topical steroid hormone; ⑦ 2% procaine local seal; ⑧ cold compress; ⑨ local use of traditional Chinese medicine mannitol powder or magnesium sulfate external, or external thin potato slices or cucumber slices. 2, phlebitis formation of the treatment: first drug extravasation, after the veins harden in the form of strips of change, local skin pigmentation, serious local limb numbness swelling pain. Phlebitis focuses on prevention. Choosing a good intravenous infusion, or choosing a deep vein placement to infuse chemotherapy drugs, can eliminate such phenomena. In addition, the drug should be diluted to a certain concentration and the speed should be regulated when infusing. Therapeutic measures: local heat and topical application of Xylactol cream help to reduce symptoms and recovery.