Contraception is a western medical term, Chinese medicine calls contraception as anti-early pregnancy, saffron does not have the effect of anti-early pregnancy. Saffron is a kind of traditional Chinese medicine, its flavor is sweet, nature is flat, attributed to the heart, liver meridian. Saffron can activate blood circulation to remove blood stasis, and also cool the blood and detoxify the toxin (refers to the treatment of blood-heat and toxicity), and also has the effect of dispersing depression and opening up the knot, so it can be used to treat menstrual cramps, menstrual disorders, palpitations, and also has a therapeutic role in the treatment of warm spotting, measles, and so on. From the above, it can be seen that saffron does not have the effect of anti-early pregnancy. The adverse effects of saffron are not clear. It has strong blood-activating effect and can promote menstruation, so pregnant women should be cautious of using it. If there is a need for medication, it should be used under the guidance of a doctor, and should not be used blindly, so as not to cause adverse consequences.