The majority of emergency contraceptive pills taken orally after intercourse are emergency contraceptives. Emergency contraceptive pills are a contraceptive measure that is used when you have intercourse without measures, as long as the pill is taken within 72 hours, it will have a certain effect. The emergency contraceptive pill should be taken on an empty stomach or 2 hours after a meal. Do not eat or drink any food, including water, for 2 hours after taking the pill, as this may affect the effect of the pill. You can eat some food, including water, 2 hours after the emergency contraceptive pill, so as to avoid intestinal irritation caused by gastrointestinal disorders due to the adverse effects of the emergency contraceptive pill. At the same time, you can also drink a lot of water to accelerate the metabolism of the drug, to avoid the occurrence of some adverse reactions.