Abstract: Summarize the experience of syndrome identification and treatment of diabetic cardiac autonomic neuropathy by Dong Qimei, the instructor of the inheritance of academic experience of national distinguished Chinese medicine experts. It is believed that the core pathogenesis of the disease is internal blazing of heart fire, stomach preponderance and spleen weakness, disharmony between nutritive qi and defensive qi, and the disturbance of the heart spirit. Thus, it is proposed that the treatment method is based on regulating, together with unifying formula with medicinal flavor and regulating astringency with sour and bitter flavors. Under the guidance of this academic philosophy, we have used Lianmei decoction and Huangqi Guizhi Wuwu decoction to treat the disease with good clinical efficacy.