To introduce professor ZHENG Chun's academic experience in treating menstrual disorders of ‘regulating moderation in harmony for balance'. Professor ZHENG Chun considers that menstrual disorders are caused by various causes of diseases, such as dysfunctional organs, the imbalance of yin and yang Qi, the imbalance of Chong and Ren meridians. She treats menstrual disorders on the basis of pathogenesis, making the balance of yin and yang and taking the methods of reconcile organs, balancing yin and yang, medi...