Jin Yuting and vitamin C can be taken together, each other will not affect the effectiveness of the drug. Jin Yuting is an emergency contraceptive pill, within 72 hours after intercourse, take one pill orally to achieve the corresponding contraceptive effect, after taking the pill some people may have withdrawal bleeding, some people will not have withdrawal bleeding, whether there is no withdrawal bleeding, does not indicate the success of contraception or contraceptive failure. Do not use emergency contraceptive pills as a regular contraceptive method because they may cause disruption of the menstrual cycle, irregular vaginal bleeding, and even damage to liver and kidney function.