Levonorgestrel enteric-coated tablets will not affect the absorption of the drug if taken before or after meals, so it is fine to take them before or after meals. In addition, this drug is an emergency contraceptive pill, then in clinical practice it is mainly applied to be taken orally within 72h after intercourse, so that it will play the role of contraception. After taking it, mild nausea and vomiting may occur, and dizziness and relative fatigue may occur, but most of these symptoms disappear on their own after rest. In addition, if taken during the first half of the menstrual period, retreating bleeding may occur, once bleeding is recommended, it is not necessary to be nervous, the bleeding will be cleared on its own in about 3 days. It is recommended not to use this drug as a regular contraceptive method, because the side effects are still relatively large.