Analysis: Hello, during menstruation, it is best not to take Gui Zhi Fu Ling capsule, because this drug has the effect of activating the blood, which will increase the amount of menstruation or menstruation lasts too long. Advice: 1, you to take Gui Zhi Poria capsule 1-2 days after the menstruation is completely clean is appropriate. 2, ovarian cysts if less than 2CM, may disappear by itself, so you can review the ultrasound after menstruation, to see whether the cysts have disappeared.