You should not drink saffron during pregnancy preparation, if you drink saffron during pregnancy preparation, it can cause miscarriage after pregnancy. Saffron has the effect of activating blood circulation, removing blood stasis, clearing heat and removing toxins, relieving depression and tranquilizing the mind, and beautifying the face. Saffron can help promote blood circulation, which in turn has a protective effect on the heart. Saffron can also be used to regulate irregular menstruation and endocrine disorders. In addition, saffron can also help people improve their immunity, antibacterial, anti-inflammatory effect. However, because saffron has the effect of activating the blood, therefore, for the preparation for pregnancy or pregnant women, should not drink saffron. In addition, saffron belongs to the cold drugs, patients with poor stomach and intestines may experience stomach discomfort, diarrhea and other symptoms after taking.