Berberine Hydrochloride mainly used for the treatment of gastroenteritis, bacterial dysentery and other intestinal infections, conjunctivitis, suppurative otitis media and other effective. It has also been found to block alpha-receptors and prevent arrhythmia. It has inhibitory effects on Shigella, Escherichia coli, Staphylococcus aureus, Streptococcus, Salmonella typhi and Amoeba. Clinically, it is mainly used for intestinal infections and bacillary dysentery. Recently, this product has also been found to have anti-arrhythmia effects.Berberine has strong anti-tumor activity in vitro and in vivo and can induce B16 cell differentiation; it has synergistic effect with cytarabine hydrochloride in vitro for the treatment of intestinal infection, ocular dysentery and other intestinal infections, conjunctivitis, Suppurative otitis media is effective.