Oral emergency contraceptive pills include Yutin, Gold Yutin, Antin, and Bostin, and currently Yutin and Gold Yutin are used more often. No matter which emergency contraceptive pill is used, the side effects are relatively high in clinical practice. Although the side effects of Yutin and gold Yutin are relatively small, but it can also cause withdrawal bleeding, can also lead to endocrine disruptions resulting in menstrual disorders. Therefore, in daily life, do not take the emergency contraceptive pill orally as a regular contraceptive pill. It is recommended to take emergency contraceptive pills in the following cases, for example, if the condom is slipped during sex or if the condom is found to be broken. In addition, oral emergency contraceptive pills should be taken only in case of rape and when there is no other way.