The paper is mainly used for wiping maternal secretions during internal examinations, during labor and during the postpartum period. Knife paper is also commonly known as monthly paper, which has the characteristics of breathability, flexibility, good water absorption and low bacterial content, and is mainly used to wipe maternal secretions during internal examination, during labor and during the post-partum period. 1. Maternity waiting period: need frequent internal examination, internal examination of the doctor through the finger into the vagina to determine the degree of maternal opening, which requires a relatively large sheet of knife paper to wipe the maternal secretions. 2. During labor: when the baby is delivered, amniotic fluid and blood will be discharged together, in order to maintain maternal hygiene, a large amount of paper should be laid under the mother to wipe these secretions. 3. Postpartum period of bad dew: women will begin to discharge bad dew after childbirth, and lasts a long time, until out of the month is basically clean, need to knife paper to wipe. Therefore, female friends can try to reserve a certain amount of knife paper, in order to prepare for the use of the special period.