Gemcitabine is a chemotherapeutic drug mainly used for the treatment of non-small cell lung cancer, pancreatic cancer, breast cancer, cervical cancer and so on. Its specification is 200mg a piece, the imported one usually costs about 400 yuan a piece, and the domestic one usually costs about 200 yuan a piece. Adverse reactions such as nausea with vomiting, skin rash and headache may occur after using the drug. The drug should be used with caution in patients with hepatic or renal insufficiency. Breastfeeding must be discontinued during treatment with gemcitabine. Gemcitabine treatment may cause infertility, so men should be advised to save sperm prior to treatment. The use of this drug is prohibited for those who are allergic to this drug or the ingredients in the formulation, pregnant women, and people under 18 years of age. The above costs are for reference only, the specific dosage and usage of the above medicines should follow the doctor’s instructions and should not be used on their own to avoid adverse reactions.