Ebituxan is the trade name, generic name of cetuximab injection, the use of intravenous drip, the dosage of 250 to 400mg/m², the specific need to follow the instructions of the physician. Cetuximab injection is an antitumor drug, suitable for the treatment of some metastatic colorectal cancer, head and neck squamous cell carcinoma. It is used as intravenous drip, the initial dosage is 400mg/m² according to the body surface area, the maintenance dose is 250mg/m², and it is given once a week. The specific dosing regimen should follow the physician’s instructions. This drug may cause side effects such as hypomagnesemia, headache, dehydration, conjunctivitis, diarrhea, vomiting, elevated liver enzymes, skin reactions, and infusion reactions. It is contraindicated in allergic persons and should not be used by pregnant or lactating women. If any adverse reaction occurs after the use of the drug need to be immediately discontinued treatment.