5-fluorouracil cream can usually exert antitumor effects, including blocking the conversion of deoxythymidine monophosphate to thymidine monophosphate, inhibiting the synthesis of thymidine monophosphate, and interfering with DNA synthesis.

During the period of 5-fluorouracil cream use, it is usually used to treat various malignant tumors such as ovarian cancer, rectal cancer, colon cancer, and skin cancer. It can kill cancer cells and inhibit tumor growth. The specific composition, method, and dosage of the drug should be strictly followed as advised by a doctor.

During the period of medication use, it is usually necessary to maintain a reasonable and healthy diet to prevent the efficacy of treatment from being affected, and to regularly visit the hospital for physical examination to check the recovery status.