Contraceptives in general are emergency contraceptive pills, short-acting contraceptive pills and long-term contraceptive pills, which are commonly found in clinical practice. Short-acting contraceptive pills do not have any requirements and can be taken orally on an empty stomach or after meals. Because short-acting contraceptives can cause confusion in the gastrointestinal function, taking them orally after a meal can reduce the confusion and irritation in the gastrointestinal function. There are also emergency contraceptive pills, emergency contraceptive pills may be larger than short-acting contraceptive pills, it will have certain requirements. First of all, emergency contraceptive pills need to be taken on an empty stomach, or 2 hours after a meal before taking emergency contraceptive pills. It is forbidden to eat any food, including water, within 2 hours of taking the emergency contraceptive pill. If some food or water is eaten, it may affect the effect of the pill, so it must be taken in strict accordance with the requirements. You can drink more water after 2 hours of taking emergency contraceptive pills orally, which can accelerate the metabolism of the drug and avoid the impact on the body.