Pregnant women can take tenofovir disoproxil fumarate tablets under the supervision of a physician only when their condition requires it very much, and it is not generally recommended. Tenofovir disoproxil fumarate tablets have antiviral activity and are suitable for use in combination with other antiretroviral drugs in adult patients infected with HIV, as well as in adults diagnosed with chronic hepatitis B and pediatric patients ≥12 years of age. Contraindications to the use of the drug mainly include patients who are allergic to the product, and it is not clear what specific adverse effects the drug may have on women who are pregnant, so the drug is generally not recommended for such groups, and can be used only when very necessary, such as mother-to-child blockade during pregnancy, under the guidance of a physician. The drug may cause abdominal pain, diarrhea, headache, dizziness, fatigue, nasopharyngitis, back pain, rash and other adverse reactions, the specific use of the drug should be in accordance with the doctor’s instructions, do not unauthorized use of the drug.