Polycystic ovarian syndrome is the most common hormonal disorder among women of reproductive age who present with diminished or absent ovulation, excess androgen activity, or polycystic ovaries. Polycystic ovarian syndrome may manifest as weight problems; lack of regular ovulation; irregular, few or absent menstrual cycles; excessive amounts or effects of masculinizing hormones; pain during sexual intercourse; excessive or inceased body hair or male-pattern baldness; and prolonged periods of PMS-like symptoms. Polycystic ovarian syndrome is a leading cause of infertility. In Chinese medicine, "phlegm accumulation" is the main pattern for most patients. Clearing lower-burner phlegm is the main strategy to treat these patients.