Diagnostic curettage is a common diagnostic and therapeutic modality in gynecology, and oral antibiotics are generally recommended for 3 to 5 days after the procedure to prevent infection. Diagnostic curettage is suitable for suspected endometrial cancer, cervical cancer, incomplete abortion, suspected anovulatory dyskinesia, infertility, intrauterine space occupation, tissue residue, etc. It is both a check-up and a treatment when there is a lot of vaginal bleeding, and there is a risk of infection due to the operation in the uterine cavity, it is generally recommended that oral antibiotics be taken routinely for 3-5 days after the operation to prevent infection. Diagnostic curettage is prohibited in the presence of inflammation of the reproductive tract, serious systemic diseases, and when the body temperature exceeds 37.5°C. In case of any of the above conditions, the gynecologist should be informed promptly.