The classic prescription mainly refers to the prescription written by the Eastern Han Dynasty physician Zhang Zhongjing in, Shanghan Zabing Lun, that is, Zhongjing prescription, with a strict structure, clear treatment, reliable efficacy and other characteristics. Zhongjing used the prescription, emphasizing that such a syndrome with such a prescription. In clinical practice, if the main syndromes of the patients are found and found correctly, satisfactory therapeutic effect can often be achieved by using classical prescriptions. The author through the analysis of etiology and pathogenesis, seize the main syndrome, select the classical prescription of the treatment of infertility disease, clinical effect is accurate. Two cases are as follows.