For PCOS related biochemical data, the levels of fasting glucose, LH, T, TG, LDL-c and LH/FSH ratio were significantly higher in PCOS patients than those in the controls, the levels of PRL, HDL-c were significantly lower in PCOS patients than those in the controls (p value < 0.05). The gene discussed is BRD2; the disease is polycystic ovary syndrome.