Menstruation is a delayed menstrual period, even though the time for menstruation has passed. This symptom is generally associated with various bad habits, so that the hypothalamus – pituitary – ovary endocrine axis function disorders, estrogen, progesterone level imbalance caused by menstrual disorders. When this symptom occurs: 1, the patient should pay attention to debugging a good state of mind, do not have too much pressure, to avoid mental tension. 2, to maintain good habits, rest on time at night, do not stay up late, do not overwork. 3, pay attention to warmth, to avoid the cold stimulus. Through the above lifestyle management, if the menstruation still does not come, you can consider taking Chinese medicines that have the effect of activating blood circulation and removing blood stasis, such as rhubarb stinging pill to promote menstruation. You can also take progesterone capsule to promote menstruation, before this, we must first rule out the possibility of pregnancy.