Trifluridine tepipiridine tablets take 28 days as a course of treatment, the first 5 days of the first and second weeks of the drug, twice a day, respectively, in the breakfast and dinner within an hour; the second 2 days of the first and second weeks of the drug stop; the third and fourth weeks of the drug is not taken. Trifluridine Tepipiridine Tablets is an oral chemotherapy drug for patients who have previously received chemotherapy with fluoropyrimidine and platinum, as well as patients with colon cancer version of organ metastasis who have previously received or are genetically tested to be unsuitable for VEGF and EGFR therapy. Trafluridine tepipiridine tablets are usually taken as a 4-week treatment cycle, with the drug taken for the first two weeks and stopped for the next two weeks. During the two weeks of taking the drug, it is taken twice a day on the first 5 days of the week, within an hour of breakfast and dinner, respectively; and stopped on the last 2 days. It is important to note that if a dose is missed during the course of the medication, it must not be replaced. This kind of drug has the ability to cause blood cell reduction, gastrointestinal reaction, fatigue, fever and other discomforts. It should be used under the guidance of professional oncologists.