Before cervical cancer screening, one should pay attention to not having sex within one week as well as avoiding vaginal douching, vaginal medication and other operations, and after screening, one should pay attention to avoiding taking basin bath, avoiding washing the pubic area with douching liquid and so on. 1. Before cervical cancer screening: it is better not to have sexual intercourse within one week, and at the same time, operations such as vaginal douching and vaginal instillation should be avoided, and the menstrual period should be avoided during the screening. In addition, if there is inflammation, such as vaginitis, etc., the inflammation should be cured before cervical cancer screening, so as to avoid inaccurate results. 2. After cervical cancer screening: It is recommended not to have sexual intercourse, avoid taking basin bath, avoid washing the pubic area with douche solution in the short term to avoid bacterial infection in the pubic area. Before and after cervical cancer screening, the above precautions should be followed so as to minimize the error of screening results and protect oneself from infection. If you have any other questions, it is recommended to consult a professional doctor for guidance.