The goal of this clinical trial is to compare the clinical effect of Jinfeng Pill and Diane-35 in patients with PCOS. The main questions it aims to answer are: a. Comparison of the efficacy of the drugs separately and in combination. To explore the possible mechanism of Jinfeng pills. Participants will be treated for three months with monthly follow-up. Blood and stool samples should be collected.

In this study, the clinical efficacy of Jinfeng pill in the treatment of PCOS was evaluated, and the clinical systems biology research system was introduced to discuss the clinical mechanism of Jinfeng pill in the treatment of PCOS from the perspectives of metabolomics and intestinal flora, etc., and an integrated biomarker index system was established to evaluate the efficacy of Jinfeng pill in the treatment of PCOS. To clarify the action mechanism and pharmacodynamic material basis of Jinfeng pills in treating PCOS. According to the previous study, a total of 105 participants were included. They were required to complete three months of treatment and monthly follow-up visits. The main therapeutic index was improved level of sex hormone. Secondary efficacy indexes included symptom scale score and TCM scale score. It has also been explored to incorporate changes such as metabolomic molecules and gut microbiota.

Inclusion Criteria:

1. Meet the diagnostic criteria for PCOS: refer to the 2003 Rotterdam standard.
2. In the past 1 month, no relevant drugs or surgery were used, including periodic use of progesterone, short-acting compound oral contraceptives, sequential treatment of estrogen progesterone, spironolactone, pioglitazone, acarboxylose, and related Chinese medicine.
3. Subjects (or their legal representatives) must understand the nature of the study and sign informed consent.
4. Patients with other chronic diseases under stable control should maintain the original treatment regimen during the study period.

Exclusion Criteria:

1. Patients with other endocrine diseases, such as adrenal cortical hyperplasia or tumor, Cushing's syndrome, thyroid disease, hyperprolactinemia, androgen secreting tumors, etc.;
2. Patients who have used related drugs in the past 1 month, including sex hormone drugs, insulin sensitizers, including metformin, liraglutide and other drugs;
3. Substance abuse or dependence (alcohol or drugs) within the past 3 months; Heavy smokers (smokers who smoke 20 or more cigarettes a day);
4. Patients with serious or unstable physical diseases, including liver, kidney, gastrointestinal, cardiovascular, respiratory, endocrine, neurological, immune or blood system diseases, mental disorders;
5. Lactating or pregnant women, or women within 1 year after childbirth;
6. Previous allergy to the experimental drug;
7. History of thromboembolic disease or tendency to thrombosis;
8. Participated in a clinical trial of another investigational drug within 1 month prior to inclusion in this study (first interview);
9. Those who meet the inclusion criteria, do not follow medical advice, cannot judge the efficacy or have incomplete data to evaluate the efficacy.