2, saffron has the effect of activating blood circulation and removing blood stasis to improve beauty, pregnant women can not drink saffron. In addition, do not drink saffron during menstruation to avoid excessive bleeding. Saffron belongs to a kind of Chinese medicine, is a medicine three poisons, saffron is best not to drink often, drink a period of time, it is best to stop for a period of time and then drink, so that the effect is better.