The objective of this study is to evaluate whether a Chinese medicine formula (Qing'E) is effective in alleviating menopausal symptoms and safety.

This is a double-blind placebo-controlled randomized clinical trial to evaluate whether a Chinese medicine formula (Qing'E, composed of eucommia, psoralen, walnuts and garlic) is effective in alleviating menopausal symptoms. 240 Chinese women with menopausal symptoms will be recruited and randomized into two groups. One is treatment group with 12 weeks of Qing'E pills (well-controlled), the other is controlled group with 12 weeks of placebo. The treatment outcome measures include: 1) the severity of menopausal symptoms: self-recording of daily frequency of vasomotor symptoms (hot flushes), the Kupperman index. 2) NEI network indices. 3) Urine metabolomics. All measures are conducted at baseline and endpoint except the self-recoding of vasomotor symptoms, Kupperman index and urine metabolomics. Tyhe investigators expect this research will provide an effective and safe therapy for menopausal symptoms.

Inclusion Criteria:

1. Women age between 40 to 60 Years, Suffering from irregular menstrual cycle or amenorrhea of 3-11 months.
2. Moderate to severe hot flashes (associated with sweating)≥5 times /24 hours.
3. Patients unused estrogen tablets or progesterone injection in 6 months.
4. Patients must discontinue other therapies in the treatment of menopausal syndrome for more than 3 months.
5. Get subjects informed consent process should comply with GCP requirements.

Exclusion Criteria:

1. Patients with hypertension, primary hypotension and chronic anemia (Hb ≤ 90 g / L).
2. Bilateral oophorectomy, endometrial lesions, uterine polyps, abnormal vaginal bleeding, severe breast hyperplasia, with family history of breast cancer.
3. Allergic constitution and known allergy to the drug.
4. Patients with diseases of the cardiovascular, cerebrovascular, liver, kidney and hematopoietic system, or mentally ill.
5. Patients with hyperthyroidism, coronary atheroma, diabetes, obesity (body mass index of more than 30 kg/m2), migraine, malignant tumors, thromboembolic disease, gastrointestinal diseases affect absorption or autoimmune diseases.
6. Alcoholics or smokers (past or smoking).
7. Patients are participating in other clinical trials.