Neuroinflammation occurs in the progression of all central nervous system disease.With the deepening of clinical practice and scientific research,we found that Huanglian(Coptids Rhizoma)and the formulas mainly composed of Huanglian(Coptids Rhizoma)had good effects on relieving neuroinflammation and improving the prognosis of the disease.Based on qi(yang)and flavor(yin)theory,we clarified the characteristics of Huanglian(Coptids Rhizoma)as"extremely bitter and cold,strong flavor,and thin qi".We also identified its correlation with the pathogenesis of neuroinflammation in Chinese medicine,and it...