Yutin is an emergency contraceptive pill that is taken within 72 hours. The package has 1 tablet and 2 tablets, 1 tablet is 1.5mg/tablet, take it orally once. 2 tablets is 0.75mg/tablet, after the first time you take it, interval 12 hours, then take the second time. The Yutin contraceptive pill is a highly effective progestin, which can cause irregular vaginal bleeding and also affect the reproductive endocrine, so it should not be taken more than three times a year, and not more than twice a month, and if there is a secretion disorder caused by taking the pill, it must be treated promptly.