If you are 47 years old and do not have menstruation, you can take medicines such as Dajian Yuan Decoction, Angelica Pill to nourish blood, Wenjing Tang, Diaphragm Downward Stasis Expelling Tang, etc. according to the symptoms of Kidney-Qi deficiency, Qi and Blood deficiency, Cold-Condensation and Blood Stasis, and Qi Stagnation and Blood Stasis (Blood stagnation due to lack of smooth Qi flow). 1. Kidney qi deficiency: Kidney qi deficiency may lead to dizziness and tinnitus, lumbar and knee weakness, frequent urination, decreased libido, pale red tongue, thin white moss, and thin pulse. Da Tian Yuan Decoction can be used to tonify the kidney, nourish blood and regulate menstruation (to regulate menstrual irregularities caused by blood deficiency). 2. Deficiency of Qi and Blood: Deficiency of Qi and Blood will be accompanied by fatigue (mental exhaustion, physical weakness), yellowish tongue, pale lips, hair loss, menopause and so on. Angelica pills can be used to nourish blood and replenish qi, regulate menstruation and relieve pain (regulate menstruation and relieve menstrual pain). 3. Cold condensation and blood stasis: often accompanied by coldness (cold body), cold limbs, greenish white color; dark purple tongue, white moss, sunken and tight pulse. You can take Wen Jing Tang to warm the meridians and dissipate cold (warming the meridians of the body to get rid of the cold in the body), and to activate blood circulation and promote menstruation. 4. Qi stagnation and blood stasis: Women with Qi stagnation and blood stasis may suffer from dysmenorrhea, amenorrhea, depression, irritability, fullness in the chest, belching (hiccups) and sighing, dark tongue or bruises, and dull and stringy or astringent and strong pulse. You may take Diaphragm Under Blood Stasis Expelling Soup to move Qi and activate Blood (to promote the movement of Qi to make blood flow), and to dispel blood stasis and open the meridians (to dispel blood stasis and open the meridians). If you are 47 years old and your period is not coming for a long time, you can go to the hospital as soon as possible, and cooperate with the doctor for examination to clarify the specific cause of the disease and give medication.