Tummy pain after taking the emergency contraceptive pill is generally considered to be due to the effects of gastrointestinal irritation caused by taking the emergency contraceptive pill. It is a side effect caused by the pill, and this side effect usually lasts no longer than 24 hours. Women should avoid eating for two hours after taking the emergency contraceptive pill, and can take the pill before going to bed to relieve the irritation of the gastrointestinal tract. In principle, it should not be taken more than three times a year, and the interval between the pills should not be less than three months. After taking emergency contraceptive pills, women must pay attention to the clinical reaction.