Oral emergency contraceptive pills include Yuting, Jin Yuting, Anting, and Baoshiting. The most commonly used ones are Yuting and Jin Yuting. No matter which emergency contraceptive pill is used, clinical side effects are relatively large. Although the side effects of Yuting and Jin Yuting are relatively small, they can also cause withdrawal bleeding, endocrine disorders, and menstrual disorders. Therefore, in daily life, do not take emergency contraceptive pills as regular contraceptive pills.