Summary of case history,　History of present illness: The patient had not been pregnant for 3 years without contraception, with a menstrual cycle of 45 days to 3 months and no dysmenorrhea. The patient was diagnosed as polycystic ovary syndrome in another hospital and had taken clomiphene. The first BBT was biphasic, and the second BBT was monophasic. Last menstrual: August 4, 2006. On July 10, blood insulin 19.5 μIU/mL (normal value 4-16 μIU/mL) was measured in another hospital. B ultrasound showed endometrium 5 mm, and multiple small follicles were seen in both ovaries. Conscious dry mouth, upset, fatigue, stool 2-3 times a day, loose stools. Past history: Obesity for 9 years, childhood history of mumps. Family history: Father had a history of hypertension and diabetes. Physical examination: fat body, pigmentation in the armpit (2+), pigmentation in the back of the neck (+), long leg hair. The height was 155 cm, the weight was 55 kg, and the WHR was 0.98 (88/90). The tongue was light and dark, the moss was thin, and the pulse was fine.,TCM diagnosis,　Oligomenorrhea, infertility (deficiency of Qi and Yin, internal obstruction of phlegm and blood stasis).,Western medicine diagnosis,　Polycystic ovary syndrome (PCOS) type Ⅱ B, primary infertility.,Therapeutic methods,　TCM treatment: invigorating Qi and nourishing Yin, tonifying kidney and filling essence, promoting blood circulation and removing phlegm. Prescription Codonopsis pilosula 15g, Atractylodes macrocephala 15g, Cimicifugae rhizoma 9g, Astragali radix 30g, Radix rehmanniae 15g, Dioscoreae rhizoma 12g, Cuscuta chinensis 15g, Fructus Psoraleae15g, Polygonatum sibiricum 15g, Polygonatum odoratum 15g, Ophiopogon japonicus 12g, Cornus officinalis 15g, Angelica sinensis 12g, Persicae semen 15g, Acorus tatarinowii 15g, Spina gleditsiae 15g, Verbena officinalis 15g. Take it in water, twice a day. Western medicine treatment metformin 0.5g orally, 3 times a day. Lifestyle intervention inform the patient of the disease, conduct scientific education, guide the patient to adjust the lifestyle, and guide the patient to adhere to appropriate aerobic exercise and diet adjustment.,Clinical outcomes,　After the above treatment, the patient was naturally pregnant and delivered smoothly.